If tobacco is killing more than 8 million people every year worldwide, quitting now is one of the fastest ways you can start turning those numbers around for yourself and the people you love.
Key Takeaways
- Tobacco use kills more than 8 million people each year worldwide
- Over 7 million of those deaths are the result of direct tobacco use
- Around 1.2 million deaths are due to non-smokers being exposed to second-hand smoke
- After quitting smoking, blood pressure and heart rate begin to improve immediately
- Within 20 minutes of quitting smoking, heart rate and blood pressure drop
- Within 12 hours of quitting, carbon monoxide levels in the blood drop to normal
- CDC’s Tips From Former Smokers website provides at least 1,000+ quit-smoking resources
- The nicotine patch can be used as nicotine replacement therapy to help people quit smoking
- The nicotine gum can be used as nicotine replacement therapy to help people quit smoking
- In the US, 50.0% of adults who smoke cigarettes want to quit
- Quitting smoking reduces risk of dying from heart disease; within 1 year risk is reduced by about half
- Quitting smoking reduces risk of lung cancer by about half after 10 years
- In the US, 2022 estimated 11.0% of adults were current cigarette smokers
- In the US, 2022 estimated 7.0% of adults were current smokers of any tobacco product
- In the US, 2022 estimated 5.5% of adults used tobacco products besides cigarettes
Smoking kills millions yearly; quitting starts relief now, lowering cancer, heart, stroke risks.
Global Burden
1Tobacco use kills more than 8 million people each year worldwide[1]
Verified2Over 7 million of those deaths are the result of direct tobacco use[1]
Verified3Around 1.2 million deaths are due to non-smokers being exposed to second-hand smoke[1]
Verified4The WHO estimates that tobacco is responsible for about 10% of global adult deaths[1]
Directional5In 2019, an estimated 6.8% of the global population used tobacco[2]
Single source6In 2019, smoking prevalence among adults (age 15+) was 22.7% in men and 7.6% in women globally[3]
Verified7In 2020, about 1.3 billion people aged 15+ used tobacco worldwide[1]
Verified8In 2020, about 80% of the 1.3 billion tobacco users lived in low- and middle-income countries[1]
Verified9Cigarette smoking is a major cause of cardiovascular disease, contributing to an estimated 10% of all coronary heart disease deaths[4]
Directional10Tobacco use causes about 90% of lung cancer deaths[5]
Single source11Smoking causes about 80% of deaths from chronic obstructive pulmonary disease (COPD)[5]
Verified12Smoking increases risk of stroke by about 2–4 times[6]
Verified13Smoking increases the risk of developing colorectal cancer by about 1.5 times[7]
Verified14Smoking causes about 30% of all cancer deaths in the United States[8]
Directional15In the United States, cigarette smoking causes an estimated 480,000 deaths each year[9]
Single source16In the United States, more than 16 million Americans suffer from a smoking-related disease[10]
Verified17Smoking-related diseases cost the United States more than $300 billion each year[11]
Verified18In the United States, the total economic cost of smoking is estimated at $326 billion[11]
Verified19Every day, about 1,600 young people (under 18) smoke their first cigarette in the United States[12]
Directional20Among U.S. high school students, 6.6% reported current cigarette use (2023)[12]
Single source21Worldwide, 293 million people are covered by comprehensive smoke-free legislation[1]
Verified22The WHO reports that 45% of people worldwide are protected by at least one MPOWER tobacco control measure[13]
Verified23WHO estimates that tobacco use will kill more than 8 million people each year by 2030[1]
Verified24In the European Region, tobacco use contributes to about 700,000 deaths per year[14]
Directional25In the European Region, 16.2% of deaths are attributable to tobacco smoking[14]
Single source26The WHO estimates that tobacco smoking causes nearly 1 in 5 deaths among men and nearly 1 in 20 among women[1]
Verified27In 2022, 11.0% of adults (aged 18+) in the US were current cigarette smokers[15]
Verified28In 2022, 4.0% of adults (aged 18+) in the US were current cigar smokers[15]
Verified29In 2022, 2.7% of adults (aged 18+) in the US were current pipe smokers[15]
Directional30In 2022, 5.5% of adults (aged 18+) in the US were current smokeless tobacco users[15]
Single source31In 2021–2022, 19.5% of adults in the US reported that they smoked cigarettes on some days or every day[16]
Verified32In 2022, 14.7% of US adults (aged 18+) reported current use of any tobacco product[17]
Verified33In 2022, 9.1% of US adults used e-cigarettes[17]
Verified34In 2022, 3.6% of US adults used smokeless tobacco[17]
Directional35In 2022, 10.5% of US adults were current smokers[17]
Single source36In 2018, more than 1.2 million people in the US died from smoking-related causes in the prior year cohort[18]
Verified37In 2018, in the US there were 8.2 million smoking-attributable deaths[18]
Verified38The Global Burden of Disease study estimated 7.69 million deaths attributable to smoking in 2019[19]
Verified39The Global Burden of Disease study estimated 16.7% of deaths from all causes attributable to tobacco in 2019[19]
Directional40In 2019, there were 22.4 million disability-adjusted life years (DALYs) attributable to smoking in the US[20]
Single source41Smoking-attributable deaths worldwide in 2019 were estimated at 7.69 million (95% uncertainty interval 7.14–8.24)[19]
Verified42Smoking prevalence among adults (15+) in low-income countries was 20.0% in 2019[2]
Verified43Smoking prevalence among adults (15+) in lower-middle-income countries was 27.1% in 2019[2]
Verified44Smoking prevalence among adults (15+) in high-income countries was 16.0% in 2019[2]
DirectionalGlobal Burden Interpretation
Quit smoking isn’t just a personal health choice, because tobacco quietly turns into more than 8 million deaths a year worldwide, doubles up the suffering of nonsmokers through secondhand smoke, and then keeps charging interest with cancers, heart disease, COPD, and staggering economic costs while millions still light up in every corner of the globe.
Health Benefits After Quitting
1After quitting smoking, blood pressure and heart rate begin to improve immediately[21]
Verified2Within 20 minutes of quitting smoking, heart rate and blood pressure drop[21]
Verified3Within 12 hours of quitting, carbon monoxide levels in the blood drop to normal[21]
Verified4Within 2 weeks to 3 months of quitting, circulation improves and lung function increases[21]
Directional5Within 1 to 9 months of quitting, cough and shortness of breath decrease and cilia regain function to handle mucus[21]
Single source6Within 1 year of quitting, risk of coronary heart disease is about half that of a continuing smoker[21]
Verified7Within 5 years of quitting, stroke risk becomes similar to that of people who never smoked[21]
Verified8Within 10 years of quitting, risk of lung cancer is about half that of a continuing smoker[21]
Verified9Within 15 years of quitting, risk of coronary heart disease becomes similar to that of people who never smoked[21]
Directional10Compared with continuing smokers, risk of stroke decreases substantially after quitting[22]
Single source11Risk of coronary heart disease is reduced by about half within 1 year of quitting[23]
Verified12A study found that quitting smoking at age 35 reduces risk of death by about 90% compared with continued smoking[24]
Verified13Quitting smoking before age 50 reduces risk of premature death by about 50%[24]
Verified14Quitting smoking at age 60 reduces risk of death in the next 15 years by about 25–30% compared with continued smoking[24]
Directional15Quitting smoking at any age improves life expectancy[24]
Single source16A meta-analysis estimated that smoking cessation reduces lung cancer risk by about 30% within 10 years[25]
Verified17A study reported that risk of COPD mortality declines after smoking cessation[26]
Verified18Quitting smoking reduces the risk of developing peripheral arterial disease[27]
Verified19Smoking cessation reduces the risk of bladder cancer, with former smokers having lower risk than current smokers[28]
Directional20Former smokers have a lower risk of coronary heart disease than current smokers[29]
Single source21After quitting, the risk of cardiovascular disease begins to fall within 1 year[30]
Verified22Smoking cessation improves insulin sensitivity within weeks[31]
Verified23Quitters have reduced risk of type 2 diabetes compared with continuing smokers[31]
Verified24A cohort study reported former smokers reduced risk of endometrial cancer compared with current smokers[32]
Directional25Smoking cessation reduces risk of gastric cancer[33]
Single source26Quitting smoking reduces risk of all-cause mortality; one study estimated 2.5–3.0 years gain in life expectancy[34]
Verified27A large pooled analysis found that quitting smoking reduces risk of all-cause mortality by about 40% versus continuing smoking[35]
Verified28Former smokers have reduced risk of myocardial infarction compared with current smokers[36]
Verified29The risk of death from stroke among smokers drops after quitting[37]
Directional30After quitting, lung function decline slows[38]
Single source31Quitting smoking decreases inflammation markers (e.g., C-reactive protein) within months[39]
Verified32Quitting smoking improves periodontal health; one study found improved attachment levels at 6 months[40]
Verified33Smoking cessation reduces risk of cataract progression[41]
Verified34Quitting reduces the risk of colorectal adenoma compared with current smoking[42]
Directional35In a study of women, stopping smoking reduced risk of breast cancer compared with current smoking[43]
Single source36Smoking cessation reduces risk of osteoporosis and fractures[44]
Verified37Former smokers have improved fertility compared with current smokers[45]
Verified38Quitting smoking before pregnancy reduces risk of adverse pregnancy outcomes[46]
VerifiedHealth Benefits After Quitting Interpretation
Quit smoking and your body starts quietly rebooting on a biologically humiliating timetable, from faster-normalizing blood and oxygen within hours to sharply falling heart, stroke, cancer, and even pregnancy risks over years, proving that stopping really does turn time into your ally.
Quit Attempts & Cessation Aids
1CDC’s Tips From Former Smokers website provides at least 1,000+ quit-smoking resources[47]
Verified2The nicotine patch can be used as nicotine replacement therapy to help people quit smoking[48]
Verified3The nicotine gum can be used as nicotine replacement therapy to help people quit smoking[48]
Verified4The nicotine lozenge can be used as nicotine replacement therapy to help people quit smoking[48]
Directional5Bupropion SR is an FDA-approved medication to help people stop smoking[48]
Single source6Varenicline (Chantix) is an FDA-approved medication to help people stop smoking[48]
Verified7Combination nicotine patch plus nicotine lozenge has been shown to improve quit rates compared with patch alone[49]
Verified8Counseling plus medication is more effective than either alone[50]
Verified9Telephone quitlines are a proven cessation approach[51]
Directional101-800-QUIT-NOW is the standard quitline number in the US[52]
Single source11Smokefree.gov provides quit support including text messaging and coaching[53]
Verified12Smokefree.gov offers 24/7 text support[54]
Verified13Smokefree.gov text program provides text message support after quit date[54]
Verified14After a quit date, Smokefree text program provides support for at least 5 months[54]
Directional15The FDA requires nicotine gum and patch to be used as directed and may include step-down schedules[55]
Single source16Varenicline reduces cravings and withdrawal symptoms[56]
Verified17Bupropion can increase abstinence rates[56]
Verified18Nicotine replacement therapy increases quit rates[56]
Verified19Using varenicline can increase chances of quitting compared with placebo[56]
Directional20Using bupropion can increase chances of quitting compared with placebo[56]
Single source21Using nicotine patch can increase chances of quitting compared with placebo[56]
Verified2269% of smokers reported they wanted to quit at some time[57]
Verified2355% of smokers made a quit attempt in the past year[57]
Verified247 in 10 smokers want to quit[58]
Directional2540% of smokers make at least one quit attempt each year[59]
Single source26In the 2015–2020 NHIS, 55.1% of current smokers reported having ever tried to quit smoking[16]
Verified27In 2022, 55.1% of current smokers reported having made at least one quit attempt in the past year[16]
Verified28In 2022, 5.4% of US adults used FDA-approved cessation medication in the past year[17]
Verified29In 2022, 1.6% of US adults reported using nicotine gum or lozenge in the past year[17]
Directional30In 2022, 1.2% of US adults reported using nicotine patches in the past year[17]
Single source31In 2022, 0.7% of US adults reported using varenicline in the past year[17]
Verified32In 2022, 0.6% of US adults reported using bupropion for quitting in the past year[17]
Verified33Most smokers do not use evidence-based treatment; one estimate is that 6% use medication[60]
Verified34The 2020 Surgeon General report notes that about 34% of attempts use counseling and/or medication[61]
Directional35The European Commission reports that quitlines can provide counseling and are part of smoking cessation support services[62]
Single source36In England, “Stop Smoking Services” offer support and cessation medications, with success measured by 4-week quits[63]
Verified37Scotland’s stop smoking service offers support including behavioral support and NRT[64]
Verified38Quit attempts are often motivated by health concerns; 65% cited health as reason for attempting to quit[57]
Verified39Quit attempts frequently include setting a quit date; 55% of smokers report having tried to quit for health reasons[57]
Directional40Nicotine replacement therapy is available in patches, gum, lozenges, inhalers and nasal sprays[56]
Single source41Evidence-based cessation treatments include counseling and medications[50]
VerifiedQuit Attempts & Cessation Aids Interpretation
The CDC’s Tips From Former Smokers quietly makes the case that quitting is neither mystery nor willpower magic, but a stack of proven tools, from FDA approved meds and nicotine replacement to counseling and quitlines, backed by the blunt reality that while most smokers want to quit and try at least once, far too few actually use evidence based help.
Outcomes & Effectiveness
1In the US, 50.0% of adults who smoke cigarettes want to quit[57]
Verified2Quitting smoking reduces risk of dying from heart disease; within 1 year risk is reduced by about half[21]
Verified3Quitting smoking reduces risk of lung cancer by about half after 10 years[21]
Verified4Complete abstinence is associated with health improvements listed in the CDC timeline[21]
Directional5In a meta-analysis, nicotine gum roughly doubles the odds of quitting[65]
Single source6In a meta-analysis, nicotine patches increase abstinence compared with placebo[66]
Verified7In a meta-analysis, varenicline increases quit rates versus placebo[67]
Verified8In a meta-analysis, bupropion increases quit rates versus placebo[68]
Verified9Combining nicotine patch with short-acting NRT increases quit rates compared with patch alone[69]
Directional10Behavioral support (counseling) increases quit rates versus minimal or no support in meta-analyses[70]
Single source11Intensive behavioral interventions increase the likelihood of long-term abstinence[71]
Verified12Telephone counseling increases quit rates compared with minimal advice in meta-analysis[72]
Verified13Text message interventions increase cessation rates; one meta-analysis reported improved quit outcomes[73]
Verified14Group behavioral therapy increases cessation success[74]
Directional15Individual counseling is associated with higher quit rates than self-help[75]
Single source16The 2020 Cochrane review found varenicline increases sustained abstinence versus placebo with relative risk around 2.3[67]
Verified17The Cochrane review for bupropion reported relative risk around 1.8 for abstinence[68]
Verified18The Cochrane review for nicotine patches reported relative risk around 1.7 for abstinence[66]
Verified19The Cochrane review for nicotine gum reported relative risk around 1.9 for abstinence[76]
Directional20The “USPSTF” recommends that clinicians ask about tobacco use and provide interventions to help smokers quit[77]
Single source21USPSTF found that behavioral interventions for tobacco cessation have moderate net benefit[77]
Verified22USPSTF found that medications increase the likelihood of quitting[77]
Verified23CDC reports that people who use medication are more than twice as likely to quit successfully[56]
Verified24CDC reports that counseling alone can increase quit success[50]
Directional25CDC reports that the combination of medication and counseling can be more effective than either alone[50]
Single source26A systematic review found that odds of quitting increase with pharmacotherapy compared with placebo[78]
Verified27A systematic review reported that varenicline has higher quit rates than bupropion[79]
Verified28A randomized trial found varenicline increases biochemically verified quit rates compared with placebo[80]
Verified29A randomized trial found bupropion increases quit rates compared with placebo[81]
Directional30Nicotine patch trials show increased cessation compared with placebo[82]
Single source31A trial found counseling increases quit rates at 6 and 12 months[83]
Verified32A meta-analysis of digital interventions reported increased quit outcomes compared with controls[84]
Verified33A systematic review of workplace cessation interventions reported modest improvements[85]
VerifiedOutcomes & Effectiveness Interpretation
Half of US smokers want to quit, and quitting pays off like a long-term investment with heart and lung cancer risks dropping substantially over time, especially when you pair the willpower with proven tools like nicotine replacement, varenicline, bupropion, and counseling, because the evidence from meta-analyses, Cochrane reviews, USPSTF and CDC guidance, randomized trials, and even workplace and digital programs all keeps landing on the same blunt punchline: odds rise when you quit smoking with both medicine and support rather than relying on vibes alone.
Policy & Population Patterns
1In the US, 2022 estimated 11.0% of adults were current cigarette smokers[15]
Verified2In the US, 2022 estimated 7.0% of adults were current smokers of any tobacco product[17]
Verified3In the US, 2022 estimated 5.5% of adults used tobacco products besides cigarettes[17]
Verified4In 2019, 26.3% of adults globally were current tobacco users[2]
Directional5Global smoking prevalence (male) was 31.6% in 2019[2]
Single source6Global smoking prevalence (female) was 6.7% in 2019[2]
Verified7In 2019, smoking prevalence among adolescents aged 13–15 was 19% boys and 7% girls globally[86]
Verified8In 2019, 1 in 5 adolescents used tobacco in some form[86]
Verified9The WHO reports that 80% of the world's smokers live in countries with low or medium income[1]
Directional10In 2019, the WHO estimated 1.25 billion people use tobacco worldwide[1]
Single source11In many countries, tobacco taxes are a key policy measure; WHO indicates high taxes reduce consumption[87]
Verified12WHO MPOWER: Monitor tobacco use and prevention policies[88]
Verified13WHO MPOWER: Protect people from tobacco smoke[88]
Verified14WHO MPOWER: Offer help to quit tobacco use[88]
Directional15WHO MPOWER: Warn about the dangers of tobacco[88]
Single source16WHO MPOWER: Enforce bans on tobacco advertising, promotion, and sponsorship[88]
Verified17WHO MPOWER: Raise taxes on tobacco[88]
Verified18The WHO report that 137 countries have at least one national smoke-free law[89]
Verified19As of 2023, 62 countries have plain packaging policies[1]
Directional20The WHO reports that warning labels are required in 97 countries[89]
Single source21The CDC reports that 1 in 3 adults in the US are covered by a comprehensive smoke-free law[90]
Verified22In the US, the CDC reports that 15.7% of adults are exposed to secondhand smoke[91]
Verified23In the US, 23.0% of nonsmokers report exposure to secondhand smoke[91]
Verified24The CDC estimated 34% of middle and high school students are exposed to secondhand smoke at home[12]
Directional25The CDC reports that 8.2% of high school students smoke cigarettes currently[12]
Single source26The CDC reports that 3.3% of middle school students smoke cigarettes currently[12]
Verified27In the US, the percentage of adults who smoke fell from 20.9% (2005) to 11.0% (2022)[15]
Verified28In the US, the percentage of adults who currently smoke is highest in Kentucky at 21.3% (2022)[15]
Verified29In the US, the percentage of adults who currently smoke is lowest in Utah at 7.2% (2022)[15]
Directional30In the US, youth vaping rose rapidly; in 2020, 19.6% of high school students reported current e-cigarette use[92]
Single source31In 2023, 4.3% of high school students reported current cigarette smoking[93]
Verified32In 2023, 10.5% of high school students reported current e-cigarette use[93]
Verified33In 2023, 3.5% of middle school students reported current e-cigarette use[93]
Verified34The CDC reports that 68.9% of high school students had ever used an e-cigarette[93]
Directional35The CDC reports that 55.9% of high school students were exposed to tobacco advertisements on the internet[94]
Single source36WHO’s NCD Global Monitoring Framework sets a target of reducing premature mortality from NCDs by 25% by 2025/2020, relevant to tobacco control[95]
Verified37In 2019, tobacco taxes accounted for about 60% of retail price in some high-income countries; global evidence shows taxes reduce demand[96]
Verified38Tobacco advertising bans reduce tobacco consumption; WHO notes effectiveness when comprehensive[97]
Verified39Smoke-free air laws reduce exposure to secondhand smoke; CDC provides evidence on reductions[98]
Directional40In the US, 22.6% of adults report seeing anti-smoking media campaigns[99]
Single source41In the US, 28.9% of adults report hearing about anti-smoking campaigns[99]
Verified42In the US, state tobacco control program expenditures were about $4.1 billion in 2022[100]
Verified43CDC reports that effective tobacco control spending is linked to quit attempts and success[100]
VerifiedPolicy & Population Patterns Interpretation
Even as US adult cigarette smoking has fallen to 11.0% in 2022, a stubborn global habit still grips 1.25 billion tobacco users, with WHO’s evidence showing that higher taxes, advertising bans, smoke free laws, bold warnings, and quit support are the least funny way to make cigarettes lose their audience, especially when secondhand smoke and rising youth e cigarette use prove the story is nowhere near over.
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