Global birth records show 105 boys for every 100 girls. DNA maintains exact 1:1 pairing between adenine and thymine. Ratio Examples Statistics gathers dozens of comparable measurements from body proportions to corporate liquidity.
Key Takeaways
- The human sex ratio at birth is approximately 105 boys to 100 girls globally
- Golden ratio in human body proportions, arm span to height averages 1:1 but finger ratios phi-related
- NA:FDA ratio in DNA is 1:1 base pairing adenine-thymine, guanine-cytosine
- Global population sex ratio is 101 males per 100 females as of 2023
- Median age to dependency ratio in Japan 49 years with 50% over 65
- Urban to rural population ratio worldwide 56:44 in 2023
- The current ratio of Apple Inc. in Q1 2023 was 1.23, indicating its ability to cover short-term liabilities with short-term assets
- Tesla's debt-to-equity ratio stood at 0.15 as of December 2022: June 2026, reflecting low leverage compared to equity
- Amazon's quick ratio was 0.94 in 2022, showing liquidity excluding inventory
- The golden ratio phi (1.618) appears in the Parthenon dimensions with side-to-height ratio approximating 1.618
- Human body navel-to-total height ratio averages 0.618 per Da Vinci's Vitruvian Man studies
- Credit card debt-to-income ratio for U.S. households averaged 8.5% in Q4 2022
- Earth's surface water-to-land area ratio 71:29%
- Air density to sea level ratio decreases 10%/km altitude
- Speed of light to sound ratio 880,000:1 in air
From biology to finance and sports, ratio relationships like 1 to 1 and near 1.618 reveal common patterns.
Related reading
01 · Category
Biological Ratios19 stats
01
The human sex ratio at birth is approximately 105 boys to 100 girls globally
02
Golden ratio in human body proportions, arm span to height averages 1:1 but finger ratios phi-related
03
NA:FDA ratio in DNA is 1:1 base pairing adenine-thymine, guanine-cytosine
04
Red to white blood cell ratio in humans is about 1:1000
05
Lung surface area to volume ratio enables efficient gas exchange at 70 m²
06
Neuron to glial cell ratio in human brain is approximately 1:1
07
Muscle fiber fast-twitch to slow-twitch ratio varies 50:50 in average adults
08
Bone density peak to postmenopausal loss ratio shows 1-2% annual decline
09
Mitosis cell division symmetry ratio 1:1 daughter cells
10
Photosynthesis CO2 fixation to O2 release ratio 1:1 in light reactions effectively
11
Heart ejection fraction normal ratio 55-70% stroke volume to end-diastolic
12
Kidney glomerular filtration rate to plasma flow ratio ~20%
13
Insulin to glucose uptake ratio in sensitivity index
14
Omega-3 to omega-6 fatty acid ratio ideal 1:1 to 1:4 modern diets 1:20
15
Cortisol to testosterone ratio imbalance in stress 2x higher chronically
16
Estrogen to progesterone ratio in luteal phase 1:100 peak
17
Vitamin D to calcium absorption ratio enhances 30-40% uptake
18
BMR to total daily energy expenditure ratio ~70% in sedentary adults
19
Telomere shortening rate to age ratio ~40-50 bp/year post-reproductive
Interpretation
Biological Ratios Interpretation
From the cosmic dance of DNA base pairs to the frantic cellular rush hour in our blood, and from the brain's equal-partner neuron-neighbor balance to the hormonal seesaw of stress, the human body is a masterpiece of mathematically precise, often precarious, ratios that whisper the fine print of life between order and chaos.
More related reading
02 · Category
Demographic Ratios21 stats
01
Global population sex ratio is 101 males per 100 females as of 2023
02
Median age to dependency ratio in Japan 49 years with 50% over 65
03
Urban to rural population ratio worldwide 56:44 in 2023
04
Fertility rate total to replacement ratio global 2.3 vs 2.1 in 2022
05
Life expectancy male-to-female ratio averages 5 years lower for men globally
06
Income Gini coefficient U.S. 0.41 in 2022
07
Migration inflow to population ratio highest in UAE 88%
08
Household size average ratio declining to 2.5 in EU nations 2022
09
Youth unemployment to total ratio 13% vs 5% OECD average 2023
10
Voter turnout age 18-24 to 65+ ratio 50:75% in U.S. 2020
11
Poverty headcount ratio sub-Saharan Africa 35% in 2022
12
Literacy rate male-female ratio near 1:1 globally but 89:83% adults
13
Obesity prevalence adult ratio doubled to 13% globally since 1990
14
Divorce to marriage ratio U.S. 2.5 per 1000 vs 6.1 in 2022
15
Single-parent household ratio 23% U.S. children 2022
16
Ethnic diversity Shannon index ratio higher in urban vs rural 1.5x
17
Aging population 65+ to working age ratio 30% in Italy 2023
18
Immigrant share of population ratio Canada 23% in 2023
19
Gender pay gap ratio women 82% of men earnings U.S. 2022
20
Homelessness per capita ratio highest U.S. urban 18 per 10k
21
Student-to-teacher ratio OECD average 15:1 secondary 2022
Interpretation
Demographic Ratios Interpretation
The world is a complex, imbalanced ledger where men slightly outnumber women but die younger and earn more, the old vastly outpace the young in voting and in Japan’s case, sheer numbers, cities swell as families shrink, and while global literacy nearly equalizes, wealth, health, and opportunity stubbornly refuse to follow suit.
More related reading
03 · Category
Financial Ratios29 stats
01
The current ratio of Apple Inc. in Q1 2023 was 1.23, indicating its ability to cover short-term liabilities with short-term assets
02
Tesla's debt-to-equity ratio stood at 0.15 as of December 2022: June 2026, reflecting low leverage compared to equity
03
Amazon's quick ratio was 0.94 in 2022, showing liquidity excluding inventory
04
JPMorgan Chase's return on equity (ROE) reached 16.78% in 2022
05
Walmart's inventory turnover ratio was 8.5 times in fiscal 2023
06
Microsoft's price-to-earnings (P/E) ratio averaged 35.2 in 2023
07
ExxonMobil's profit margin was 13.2% in 2022 amid high oil prices
08
Coca-Cola's asset turnover ratio was 0.92 in 2022
09
Berkshire Hathaway's book value per share growth was 9.6% in 2022
10
Netflix's subscriber-to-revenue ratio implied $12.5per user monthly in Q4 2022
11
Google's operating margin was 30.2% for Alphabet in 2022
12
Procter & Gamble's dividend payout ratio was 58.4% in 2023
13
Boeing's order backlog-to-revenue ratio was 5.8 years equivalent in 2022
14
Visa's transaction volume growth ratio was 11% YoY in Q1 2023
15
Pfizer's R&D expense-to-revenue ratio was 21.5% in 2022
16
Home Depot's same-store sales growth ratio was 2.6% in 2022
17
UnitedHealth's medical loss ratio was 84.3% in 2022
18
Chevron's reserve replacement ratio exceeded 100% at 115% in 2022
19
McDonald's franchisee contribution margin ratio was 82% in 2022
20
Lowe's ROA was 18.5% in fiscal 2022
21
Eli Lilly's pipeline success ratio showed 25% phase III success rate historically
22
FedEx's fuel surcharge revenue ratio to total was 8.2% in FY2023
23
Oracle's cloud revenue growth ratio was 52% YoY in Q3 FY2023
24
Nike's direct-to-consumer sales ratio rose to 42% of total in FY2022
25
Disney's streaming subscriber ARPU ratio was $7.50monthly in Q1 2023
26
Costco's membership renewal ratio was 92.5% in 2022
27
Salesforce's RPO growth ratio was 22% YoY in Q4 FY2023
28
Target's gross margin ratio was 26.2% in 2022
29
IBM's free cash flow to debt ratio improved to 0.45 in 2022
Interpretation
Financial Ratios Interpretation
From Apple's just-enough liquidity to Tesla's light leverage, Amazon's inventory-tight position, and JPMorgan's robust returns, to Walmart's efficient stock turns, Microsoft's growth-priced shares, and Exxon's bumper profits, these ratios collectively sketch an economy where giants optimize, from Coca-Cola's asset pace and Berkshire's book growth to Netflix's user value and Google's fat margins, all while Procter & Gamble shares profits, Boeing banks on backlog, Visa rides volume, Pfizer bets on R&D, Home Depot grinds out growth, UnitedHealth manages medical costs, Chevron replenishes reserves, McDonald's franchisees thrive, Lowe's assets work hard, Eli Lilly's pipeline persists, FedEx passes on fuel costs, Oracle's cloud soars, Nike sells direct, Disney's streaming earns modestly, Costco's members stay loyal, Salesforce books future sales, Target holds margins, and IBM's cash flex improves.
04 · Category
Mathematical Ratios20 stats
01
The golden ratio phi (1.618) appears in the Parthenon dimensions with side-to-height ratio approximating 1.618
02
Human body navel-to-total height ratio averages 0.618 per Da Vinci's Vitruvian Man studies
03
Credit card debt-to-income ratio for U.S. households averaged 8.5% in Q4 2022
04
Pi's circumference-to-diameter ratio is exactly 3.14159..., used in circle area calculations
05
Fibonacci sequence consecutive terms ratio approaches 1.618 golden ratio
06
Euler's number e (2.718) as limit of (1+1/n)^n ratio
07
Pythagorean theorem hypotenuse-to-leg ratio in 3-4-5 triangle is 5/3 ≈1.666
08
Aspect ratio of standard HD TV is 16:9 or 1.777...
09
Debt service ratio for emerging markets averaged 18.2% of exports in 2022
10
Simpson's paradox ratio reversal in aggregated data, e.g., UC Berkeley admission rates 1973 males 44% vs females 30% overall but reversed by dept
11
Bayes' theorem posterior-to-prior odds ratio is likelihood ratio
12
Correlation coefficient Pearson r ranges -1 to 1, measuring linear relationship strength
13
Variance-to-standard deviation ratio is sigma^2 / sigma = sigma
14
Odds ratio in 2x2 contingency table (ad/bc)
15
Herfindahl-Hirschman Index as sum of market share squared ratios
16
Sharpe ratio (return-risk free)/std dev for portfolio performance
17
Beta coefficient as portfolio return-to-market return covariance ratio
18
Gini coefficient income inequality ratio from 0 (equal) to 1
19
Reynolds number (inertia/viscous forces) ratio for fluid flow regimes
20
Mach number speed-to-sound speed ratio in aerodynamics
Interpretation
Mathematical Ratios Interpretation
From the sublime geometry of temples to the unsettling arithmetic of modern debt, humans are perpetually obsessed with ratios, relentlessly quantifying everything from cosmic harmony to financial peril, as if trying to impose a fragile order on the beautifully chaotic and often imbalanced universe we inhabit.
More related reading
05 · Category
Physical Ratios19 stats
01
Earth's surface water-to-land area ratio 71:29%
02
Air density to sea level ratio decreases 10%/km altitude
03
Speed of light to sound ratio 880,000:1 in air
04
Gravity acceleration to lunar 1/6 Earth g=9.8/1.62 m/s²
05
Solar constant Earth distance 1366 W/m² intensity ratio
06
Magnetic field Earth core dynamo ratio 0.3-0.6 gauss surface
07
Ocean salinity average 35 ppt salt-to-water ratio
08
Atmospheric O2 to N2 ratio 21:78% by volume
09
Ice density to water ratio 0.917 solid/liquid anomaly
10
Cosmic microwave background temperature ratio to absolute zero ~2.725K
11
Proton-to-electron mass ratio 1836.15 precisely measured
12
Fine structure constant alpha ~1/137.036 electromagnetic coupling ratio
13
Planck constant to classical action ratio defines quantum scale
14
Hubble constant expansion rate 70 km/s/Mpc distance ratio
15
Stefan-Boltzmann law power-to-T^4 ratio for blackbody radiation
16
Refractive index air-to-glass ratio ~1.5 light bending
17
Coefficient of friction steel-to-steel dry 0.8 kinetic ratio
18
Thermal expansion steel 12e-6 /°C length ratio
19
Viscosity water-to-honey ratio ~20:1 at room temp
Interpretation
Physical Ratios Interpretation
Earth is an eccentric rock clinging to a film of water while hurling through frigid nothingness, governed by an absurdly specific and delicate arithmetic of forces—from the cling of steel to the speed of thought—that somehow allows us to measure its every quirk and anomaly, reminding us that the universe runs on an exquisitely tuned calculator that only occasionally makes a joke (like making ice float).
More related reading
06 · Category
Sports Ratios20 stats
01
NBA player assist-to-turnover ratio leader Chris Paul at 5.2:1 in 2022-23 season
02
NFL quarterback passer rating for Patrick Mahomes averaged 103.5 in 2022
03
MLB batting average leader Luis Arraez .354 in 2023
04
Tennis serve win percentage for Djokovic 68% career on first serve
05
Premier League goals-to-shots ratio for Haaland 0.78 in 2022-23
06
Tour de France climber's power-to-weight ratio elite 6.5 W/kg
07
NHL save percentage leader Juuse Saros .920 in 2022-23
08
PGA Tour driving accuracy to distance ratio Rory McIlroy 62% at 320 yards avg 2023
09
WNBA blocks-to-games ratio Brittney Griner 1.5 per game career
10
UFC striking accuracy-to-absorption ratio Israel Adesanya 59%/55% career
11
Formula 1 lap time to pit stop ratio avg 20 laps per stop Monaco GP
12
Olympics 100m sprint speed-to-time ratio Usain Bolt 44.72 km/h peak
13
Cricket bowling economy rate Rashid Khan 6.07 IPL 2023
14
Rugby scrum win percentage All Blacks 85% historical
15
Volleyball kill percentage Karch Kiraly career 45%
16
Boxing punch landing ratio Floyd Mayweather 46% accuracy career
17
Swimming stroke rate to velocity ratio Michael Phelps 1.05 strokes/m at 2.0 m/s
18
MLB ERA Cy Young winner Blake Snell 2.40 in 2023
19
NBA true shooting percentage Stephen Curry 62.6% 2022-23
20
NFL completion percentage Dak Prescott 69.5% 2023
Interpretation
Sports Ratios Interpretation
From Chris Paul's surgical command of a basketball to Dak Prescott's sharpshooting precision, these athletes aren't just playing their sports—they're ruthlessly optimizing the very math of victory.
Reference
Cite This Report
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APA
Min-ji Park. (2026, February 13). Ratio Examples Statistics. Gitnux. https://gitnux.org/ratio-examples-statistics
MLA
Min-ji Park. "Ratio Examples Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/ratio-examples-statistics.
Chicago
Min-ji Park. 2026. "Ratio Examples Statistics." Gitnux. https://gitnux.org/ratio-examples-statistics.
Sources & references
91 datasets cited across this report · attribution is report-level