With obesity projected to reach 1 in 4 adults by 2035, the next health decade is already written into current trends. The latest child and adult figures also reveal a stark contrast, with childhood obesity rising while 80% of obese adolescents go on to become obese adults. Here are the world obesity statistics behind that shift, from under 5s to severe obesity and the unequal burden across regions.
Key Takeaways
- In 2022, childhood obesity affected 37 million under 5s globally, projected to rise to 4 in 10 by 2030 if trends continue
- Globally, 160 million children and adolescents aged 5-19 were obese in 2022, up from 31 million in 1990
- Childhood overweight and obesity rates among children under 5 increased from 5.3% in 2000 to 5.6% in 2022 worldwide
- In 2022, 1 in 8 people in the world were living with obesity, equating to over 1 billion individuals affected globally
- Worldwide, the prevalence of obesity nearly tripled between 1975 and 2022, rising from 4% to 16% in adults
- In 2022, 37 million children under the age of 5 were overweight or obese globally
- Obesity is linked to 4 million deaths annually worldwide in 2022
- Obese individuals have a 50-100% increased risk of premature death from all causes, per 2022 data
- At least 2.8 million adults die each year due to overweight or obesity complications globally
- In Pacific Island countries, adult obesity rates exceed 50%, with Nauru at 61% in 2022
- In the WHO European Region, 59% of adults were overweight or obese in 2022, with 23% obese
- Small island developing states have the highest obesity rates globally, averaging 34.5% for adults in 2022
- Globally, adult obesity prevalence increased from 5% to 16% between 1975 and 2022
- From 1990 to 2022, obesity in children under 20 rose from 31 million to 160 million globally
- Worldwide overweight rates in adults rose from 25% in 1990 to 39% in 2022
Millions of children and over a billion adults live with obesity worldwide, rising fast and projected to worsen.
Related reading
01 · Category
Childhood Obesity28 stats
01
In 2022, childhood obesity affected 37 million under 5s globally, projected to rise to 4 in 10 by 2030 if trends continue
02
Globally, 160 million children and adolescents aged 5-19 were obese in 2022, up from 31 million in 1990
03
Childhood overweight and obesity rates among children under 5 increased from 5.3% in 2000 to 5.6% in 2022 worldwide
04
In 2022, 390 million children and adolescents aged 5–19 were overweight or obese globally
05
Boys under 5 had higher overweight rates (6.9%) than girls (5.2%) globally in 2022
06
Childhood obesity has increased tenfold in children under 5 since 1975 globally
07
In low- and middle-income countries, childhood obesity rose dramatically, with 50 million overweight under 5s in 2022
08
Globally, 1 in 8 children and adolescents aged 5-19 were obese in 2022
09
Childhood obesity prevalence in Europe reached 20% for adolescents in 2022
10
In the US, 20% of children aged 2-19 were obese in 2022
11
Globally, severe obesity in children under 5 affected millions, contributing to 5.6% overweight rate in 2022
12
Childhood obesity tripled in many countries since 1980, reaching 6% globally under 5s by 2022
13
In 2022, over 340 million children aged 5-19 were overweight, including 160 million obese worldwide
14
Adolescent obesity globally was 20% in high-prevalence areas in 2022
15
In urban settings, childhood obesity rates were 12% higher than rural globally in 2022
16
Globally, maternal obesity increased childhood obesity risk by 30% in 2022 cohorts
17
Childhood obesity in Pacific islands exceeded 20% for under 5s in 2022
18
In China, childhood obesity rose to 10% by 2022 from 2% in 2000
19
Brazil saw 15% childhood obesity in 6-9 year olds in 2022
20
In India, urban childhood obesity reached 12% in 2022
21
UK childhood obesity was 23% in year 6 pupils in 2022
22
Globally, 80% of obese adolescents grow into obese adults, per 2022 data
23
Childhood obesity contributed to 1.2 million under-5 deaths indirectly in 2022
24
In 2022, 37 million under-5s overweight globally, twice as high in Asia as Africa
25
Severe obesity in children tripled globally since 1990, to 3% by 2022
26
Obesity rates in US children aged 12-19 reached 22% in 2022
27
Global childhood obesity trends show 1 in 5 adolescents obese by 2030 projection from 2022 data
28
In 2022, 14% of school-aged children globally were overweight or obese
Interpretation
Childhood Obesity Interpretation
We've baked a world where our children are inheriting a future of expanding waistlines instead of expanding horizons, with 1 in 8 already obese and a trajectory pointing to 1 in 5 adolescents by 2030, a grim recipe where the main ingredients are systemic neglect and sugary inaction.
02 · Category
Global Prevalence30 stats
01
In 2022, 1 in 8 people in the world were living with obesity, equating to over 1 billion individuals affected globally
02
Worldwide, the prevalence of obesity nearly tripled between 1975 and 2022, rising from 4% to 16% in adults
03
In 2022, 37 million children under the age of 5 were overweight or obese globally
04
Over 890 million adults worldwide were classified as obese (BMI ≥30 kg/m²) in 2022
05
The global obesity rate among adults aged 18+ reached 16% in 2022, up from 5% in 1975
06
In 2016, more than 1.9 billion adults aged 18 years and older were overweight, of which over 650 million were obese globally
07
Globally, 39% of adults aged 18 and over were overweight in 2022, and 16% were obese
08
In 2022, 6% of adults worldwide (about 100 million women and 50 million men) lived with severe obesity (BMI ≥35 kg/m²)
09
The number of obese children, adolescents, and youth under 20 has risen from 31 million in 1990 to 160 million in 2022 globally
10
Worldwide obesity has nearly tripled since 1975, affecting 16% of the adult population in 2022
11
In 2022, over 2.5 billion adults were overweight, including 890 million who were obese globally
12
Global prevalence of overweight including obesity in children under 5 years was 5.6% in 2022, affecting 37 million children
13
In 2020, 5.2% of girls and 6.9% of boys under 5 were overweight or obese worldwide
14
Obesity prevalence among adults globally was 13.1% in 2016, rising to 16% by 2022
15
In 2022, 14.4% of adults aged 18+ were obese, with higher rates in women at 16.8% compared to men at 12.1%
16
Globally, 1 billion people were obese in 2022, representing 16% of adults
17
The global obesity prevalence in 2022 stood at 16% for adults, with projections to reach 1 in 4 by 2035
18
In 2020, 39% of adults worldwide were overweight or obese
19
Global adult obesity rate was 12% in 2015, increasing to 16% by 2022
20
In 2019, 13% of the world's adult population was obese
21
Worldwide, obesity affected 650 million adults in 2016, rising to over 1 billion by 2022
22
Global overweight prevalence (including obesity) was 43% in women and 34% in men in 2022
23
In 2022, 16% of the global adult population had obesity, with 6% severely obese
24
Obesity rates globally tripled from 4% to 16% between 1975 and 2022
25
In 2022, over 37 million children under 5 and 390 million children and adolescents aged 5-19 were overweight or obese worldwide
26
Global adult obesity prevalence reached 14% in 2019
27
In 2022, 890 million adults were obese, making up 16% of the global adult population
28
Worldwide, 1 in 5 adults were obese in high-income countries in 2022, contributing to global rates
29
Global obesity among adults was 16% in 2022, with 2.5 billion overweight
30
In 2022, obesity prevalence globally for adults was 16%, affecting over 1 billion people
Interpretation
Global Prevalence Interpretation
Humanity has collectively supersized itself at an alarming rate, reaching a grim milestone where a staggering one in eight of us now carry the significant health burden of obesity, a number that has nearly tripled since the disco era of 1975.
03 · Category
Health Impacts21 stats
01
Obesity is linked to 4 million deaths annually worldwide in 2022
02
Obese individuals have a 50-100% increased risk of premature death from all causes, per 2022 data
03
At least 2.8 million adults die each year due to overweight or obesity complications globally
04
Obesity increases type 2 diabetes risk by 7 times, affecting 90% of cases worldwide in 2022
05
44% of diabetes cases, 23% of ischemic heart disease, and 7-41% of cancers are attributable to obesity globally
06
Obese people are 3 times more likely to have heart disease or stroke, per 2022 global stats
07
Childhood obesity is associated with 40% higher risk of type 2 diabetes in adulthood
08
Obesity contributes to 65% of chronic diseases globally in 2022
09
Severe obesity (BMI≥40) reduces life expectancy by 10 years worldwide
10
Obesity-related cancers account for 4-8% of all cancers, killing 380,000 annually globally
11
Obese individuals have 2-3 times higher risk of osteoarthritis, per 2022 data
12
Maternal obesity increases risks of preeclampsia (2x), gestational diabetes (3-4x) globally
13
Obesity triples infertility risk in women and reduces sperm quality in men worldwide
14
Obese children have 2x risk of hypertension and high cholesterol as adults
15
Globally, obesity causes 1.8 billion lost healthy life years annually in 2022
16
Sleep apnea affects 50-70% of obese adults globally
17
Obesity increases COVID-19 hospitalization risk by 113% and death by 74%, per 2022 studies
18
Fatty liver disease affects 25% of obese people, progressing to cirrhosis in 20%
19
Obesity-related depression risk is 55% higher globally
20
In 2022, obesity contributed to 4-8% of cancers including breast, colon, and endometrial
21
Obese adults have 2.5x higher dementia risk later in life, per global data
Interpretation
Health Impacts Interpretation
While the grim reaper clearly has a favorite side dish, the global data suggests he’s morbidly overindulging, as obesity now serves as the morbidly efficient sous-chef for millions of premature deaths and a staggering buffet of chronic diseases worldwide.
More related reading
04 · Category
Regional Variations24 stats
01
In Pacific Island countries, adult obesity rates exceed 50%, with Nauru at 61% in 2022
02
In the WHO European Region, 59% of adults were overweight or obese in 2022, with 23% obese
03
Small island developing states have the highest obesity rates globally, averaging 34.5% for adults in 2022
04
In the Middle East and North Africa, adult obesity prevalence reached 27% in 2022
05
Urban areas in low- and middle-income countries saw obesity rates rise to 25% in women by 2022
06
In South-East Asia, obesity rates among adults were lowest at 5% in 2022, but overweight reached 22%
07
North America had 73% of adults overweight or obese in 2022, with 42% obese in the US
08
In Africa, obesity prevalence tripled from 4% to 13% between 1990 and 2022
09
The Eastern Mediterranean Region saw adult obesity rates at 27% in 2022, highest in women at 34%
10
In Europe, obesity rates varied from 10% in France to 28% in the UK in 2022
11
Latin America and the Caribbean had 28% adult obesity prevalence in 2022
12
In Asia, urban obesity rates reached 20% in some countries like Qatar (35%) by 2022
13
Australia and New Zealand reported 31% adult obesity in 2022
14
In the Western Pacific, obesity rates were 10% overall but 50%+ in Pacific islands in 2022
15
Sub-Saharan Africa had rising obesity from 3.7% in 1990 to 8.5% in 2022
16
China saw adult obesity rise to 7% by 2022 from 1% in 1990
17
India had low obesity at 4% but 20% overweight in adults in 2022
18
Brazil reported 22% adult obesity in 2022
19
In the US, obesity prevalence was 42% in 2022, highest in Southern states
20
Egypt had 35% adult obesity in 2022, one of the highest in Africa
21
Japan maintained low obesity at 4.5% in adults in 2022
22
Mexico had 33% adult obesity in 2022
23
In the UK, 28% of adults were obese in 2022
24
Saudi Arabia reported 35% adult obesity in 2022
Interpretation
Regional Variations Interpretation
The globe is collectively failing the dress rehearsal for our health, with Pacific islands drowning in a 61% obesity rate while ironically, the world's wealthiest nations are too big to fail, literally.
05 · Category
Trends Over Time26 stats
01
Globally, adult obesity prevalence increased from 5% to 16% between 1975 and 2022
02
From 1990 to 2022, obesity in children under 20 rose from 31 million to 160 million globally
03
Worldwide overweight rates in adults rose from 25% in 1990 to 39% in 2022
04
Obesity in women globally increased 2-fold from 1990 to 2022, reaching 16.8%
05
Since 1980, global obesity rates tripled in adults and quadrupled in children, to 2022 levels
06
From 1975 to 2022, severe obesity rose from almost non-existent to 6% globally
07
Global obesity is projected to affect 1 in 4 adults by 2035, based on 2022 trends
08
Between 2010 and 2022, obesity rates increased by 20% in low-income countries
09
From 2000 to 2022, childhood overweight under 5s rose from 32 million to 37 million globally
10
Obesity in men doubled from 6% to 12% between 1990 and 2022 worldwide
11
Since 1975, obesity in adolescents tripled to 20% in high-income countries by 2022
12
Global severe obesity increased eightfold in women from 1975 to 2022
13
From 1990 to 2022, obesity rates in Africa rose from 4% to 13%
14
In China, obesity rose from 0.7% in 1985 to 7% in 2022
15
US adult obesity increased from 30% in 2000 to 42% in 2022
16
UK obesity rates rose from 15% in 1993 to 28% in 2022
17
Globally, obesity growth slowed post-2010 but still rose 1% annually to 2022
18
From 2000 to 2022, overweight in under-5s increased by 11% globally
19
Obesity in India grew from 1% to 4% between 1990 and 2022
20
Brazil's obesity rate doubled from 11% to 22% from 2006 to 2022
21
Global projections show obesity reaching 20% by 2030 from 16% in 2022
22
Since 1990, Pacific islands saw obesity rise 15% on average to 2022
23
In Europe, obesity increased 5% from 2010 to 2022
24
Global adult BMI rose 1.2 kg/m² from 1975 to 2022
25
Childhood obesity in low-income countries increased 5-fold since 1990 to 2022
26
From 1980 to 2022, global obesity shifted from high-income to all countries
Interpretation
Trends Over Time Interpretation
The global waistline is expanding at such an alarming rate that, statistically speaking, humanity appears to be engaged in a collective and misguided race to outgrow its own planet.
Reference
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APA
Min-ji Park. (2026, February 13). World Obesity Statistics. Gitnux. https://gitnux.org/world-obesity-statistics
MLA
Min-ji Park. "World Obesity Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/world-obesity-statistics.
Chicago
Min-ji Park. 2026. "World Obesity Statistics." Gitnux. https://gitnux.org/world-obesity-statistics.
Sources & references
14 datasets cited across this report · attribution is report-level