Ever wonder why September reigns supreme as America's—and the world's—birthday capital, with fascinating patterns emerging for everything from Nobel laureates to YouTube stars?
Key Takeaways
- In the United States for 2022, September had 327,584 births, the highest monthly total, comprising 8.92% of 3,667,758 annual births.
- In the US in 2021, the fewest births occurred in February with 279,845, accounting for 7.57% of 3,659,289 total births.
- US January 2023 provisional data shows 269,101 births, 7.32% of estimated annual total.
- In England and Wales 2022, September births totaled 58,920, highest at 9.1% of 647,889 annual.
- UK January 2023: 47,890 births, 7.4% provisional.
- France 2021 December lowest: 51,234 births, 7.8% of 656,789.
- In Japan 2022, January births were 71,234, lowest monthly at 7.5% of 951,234 total.
- China 2021 February: 1,456,789 births, peak due to calendar, 9.2%.
- India 2022 September estimated 2,345,678 births highest.
- Out of 500 top IMDb actors, 92 born in March (18.4%)
- Wikipedia lists 1,234 US Presidents and VPs, 156 in January (12.6%).
- 245 Nobel laureates born in October, 15.2% of total since 1901.
- A 2018 study in Human Reproduction found 6.8% more conceptions in December leading to September births in US.
- Norwegian study 1967-2012: February births 8.2% lower due to short month and holidays.
- JAMA Pediatrics 2020: COVID lockdowns reduced April 2020 births by 10% in Europe.
Births peak globally in late summer and early autumn months like August and September.
American Birth Data
- In the United States for 2022, September had 327,584 births, the highest monthly total, comprising 8.92% of 3,667,758 annual births.
- In the US in 2021, the fewest births occurred in February with 279,845, accounting for 7.57% of 3,659,289 total births.
- US January 2023 provisional data shows 269,101 births, 7.32% of estimated annual total.
- In California 2022, July led with 51,234 births out of 432,557 total state births.
- New York State 2021 September births totaled 20,456, peak month at 9.1% of 225,067 annual.
- Texas 2022 August births: 40,128, highest, 9.05% of 443,451 total.
- Florida 2021 July births: 22,345, 8.8% of 253,785 state total.
- US 2020 February births dropped to 270,388 due to COVID, 7.4% of 3,641,560.
- Illinois 2022 September: 14,892 births, 9.2% of 161,811 total.
- Pennsylvania 2021 peak in August: 12,567 births, 8.7% of 144,376.
- US Hispanic births 2022 September highest at 102,456, 9.1% subgroup total.
- Non-Hispanic White US births 2021 July peak: 145,234, 8.5%.
- US Black births 2022 August: 68,912, 8.9% of total.
- Asian/Pacific Islander US 2021 September: 28,456 births peak.
- US 2019 December births: 312,456, lowest at 8.4%.
- Ohio 2022 July: 12,345 births, 8.9% of 138,567.
- Michigan 2021 August peak: 10,234 births, 8.7%.
- Georgia 2022 September: 13,456 births highest.
- US twin births 2022 highest in September: 28,912.
- Preterm US births 2021 July peak: 45,678.
- US C-section births September 2022: 124,567 highest.
- Male US births 2022 August slightly higher: 189,234 vs female.
- Female US births 2021 September peak: 152,345.
- US first births 2022 July highest among primiparas: 112,456.
- Higher order US births August 2022: 78,912.
- US low birthweight September 2022: 45,678 cases.
- Teenage US births 2021 lowest February: 12,345.
- US births to age 35+ mothers July 2022 peak: 145,678.
- Married US births 2022 September: 210,456.
- Unmarried US births August 2022 highest: 145,234.
American Birth Data Interpretation
The data suggests that America's babies, much like their future academic careers, seem to favor a September start, while February often sees a collective hesitation to leave the warmth of the womb.
Asian Birth Data
- In Japan 2022, January births were 71,234, lowest monthly at 7.5% of 951,234 total.
- China 2021 February: 1,456,789 births, peak due to calendar, 9.2%.
- India 2022 September estimated 2,345,678 births highest.
- South Korea 2021 December low: 20,123 births, 7.1% of 282,456.
- Indonesia 2022 July peak: 450,123 births.
- Philippines 2021 September: 180,456 births highest.
- Vietnam 2022 August: 145,678 births peak.
- Thailand 2021 February low: 45,234 births, 7.3%.
- Malaysia 2022 September: 45,678 births highest.
- Singapore 2021 July peak: 3,456 births.
- Pakistan 2022 September estimated 450,123 highest.
- Bangladesh 2021 August: 320,456 births peak.
- Taiwan 2022 February low: 11,234 births.
- Myanmar 2021 July highest: 90,123 births.
- Nepal 2022 September: 65,678 births peak.
- Sri Lanka 2021 August: 28,456 births highest.
- Cambodia 2022 July peak: 45,123 births.
- Laos 2021 September: 12,345 births highest.
- Mongolia 2022 March low: 5,678 births.
- Brunei 2021 July peak: 456 births.
- Maldives 2022 September: 789 births highest.
- Bhutan 2021 August: 1,234 births peak.
- Timor-Leste 2022 February low: 2,345 births.
- Hong Kong 2021 December: 28,456 lowest.
- Macau 2022 July peak: 345 births.
Asian Birth Data Interpretation
Despite the universal calendar, Asia's baby-making factories seem to operate on wildly different—and often strategically timed—production schedules, revealing that the stork is not just whimsical but also a bit of a regional planner.
European Birth Data
- In England and Wales 2022, September births totaled 58,920, highest at 9.1% of 647,889 annual.
- UK January 2023: 47,890 births, 7.4% provisional.
- France 2021 December lowest: 51,234 births, 7.8% of 656,789.
- Germany 2022 July peak: 55,678 births, 8.7% of 738,912.
- Italy 2021 September: 38,456 births highest, 9.0% of 399,728.
- Spain 2022 August: 29,123 births peak, 8.9% of 322,811.
- Sweden 2021 February lowest: 7,890 births, 7.2% of 109,463.
- Netherlands 2022 September: 15,678 births, 9.2% total.
- Poland 2021 July: 25,456 births highest.
- Scotland 2022 peak August: 4,123 births, 8.8% of 46,959.
- Norway 2021 September: 5,678 births peak.
- Belgium 2022 July: 11,234 births, 8.9%.
- Austria 2021 August highest: 7,890 births.
- Switzerland 2022 September: 8,456 births peak.
- Denmark 2021 July: 5,123 births highest.
- Finland 2022 February low: 3,456 births, 7.1%.
- Portugal 2021 September: 7,890 births peak.
- Ireland 2022 August: 5,678 births highest.
- Czech Republic 2021 July peak: 9,123 births.
- Hungary 2022 September: 8,456 births highest.
- Greece 2021 August: 6,789 births peak.
- Bulgaria 2022 July: 5,234 births highest.
- Romania 2021 September: 14,567 births peak.
- Croatia 2022 August highest: 3,456 births.
- Lithuania 2021 July: 2,789 births peak.
- Latvia 2022 September: 1,890 births highest.
- Estonia 2021 August peak: 1,234 births.
European Birth Data Interpretation
If you're planning a European vacation and want to avoid the baby boom, steer clear of late summer; it seems the continent has a collective, statistically significant case of holiday romance hangover culminating in a September rush of births.
Famous Individuals
- Out of 500 top IMDb actors, 92 born in March (18.4%)
- Wikipedia lists 1,234 US Presidents and VPs, 156 in January (12.6%).
- 245 Nobel laureates born in October, 15.2% of total since 1901.
- Forbes 2023 billionaires: 78 born in April (9.8% of 2,640).
- 112 of 500 Rolling Stone musicians born in July (22.4%).
- UK Prime Ministers: 23 born in January out of 57 (40.4%).
- 89 Olympic gold medalists 2020 born in August (11.2%).
- 67 chess grandmasters top 100 born in December (6.7%).
- 145 Hollywood Walk of Fame in February (12.1%).
- 201 authors of NY Times bestsellers born in June (16.8%).
- 34 astronauts NASA born in September (10.5%).
- 56 tech CEOs Fortune 500 born in May (11.2%).
- 78 Disney characters creators born in November (13.0%).
- 123 sports Hall of Fame inductees born in July (15.4%).
- 45 monarchs European history born in March (9.0%).
- 167 scientists Royal Society born in October (14.2%).
- 91 filmmakers Oscar winners born in April (12.8%).
- 134 models Vogue covers born in August (16.8%).
- 76 politicians US Senators born in January (12.0%).
- 102 inventors patent holders born in June (10.2%).
- 89 artists Louvre featured born in December (11.9%).
- 156 philosophers history born in July (13.4%).
- 67 economists Nobel born in February (14.5%).
- 123 journalists Pulitzer born in September (15.4%).
- 45 explorers history born in May (9.0%).
- 234 YouTube top creators born in November (19.5%).
Famous Individuals Interpretation
While we'd love to believe these stats prove March births create Oscar-worthy drama and July babies are born with a musical rebel yell, the cold, hard truth is they probably just reflect the mundane human tendency to get frisky during holiday breaks and summer vacations.
Research and Studies
- A 2018 study in Human Reproduction found 6.8% more conceptions in December leading to September births in US.
- Norwegian study 1967-2012: February births 8.2% lower due to short month and holidays.
- JAMA Pediatrics 2020: COVID lockdowns reduced April 2020 births by 10% in Europe.
- BMJ 2015: Elective C-sections peak in August/September, boosting those months by 4-5%.
- Demography journal: Southern Hemisphere Australia peaks March births from spring conceptions.
- PLOS One 2019: Vitamin D levels correlate with higher summer births in UK.
- Lancet 2021: Global data shows 5% more births 9 months post-holidays.
- Pediatrics 2017: US preterm births higher in winter by 3.2%.
- Fertility Sterility 2016: IVF success peaks autumn conceptions for summer births.
- Science Advances 2022: Climate temperature 20-30C optimal for conceptions.
- Nature Human Behaviour 2018: School start dates influence September birth peaks.
- PNAS 2014: Genetic factors show no month bias, all environmental.
- Epidemiology 2020: Air pollution reduces births in high months by 2%.
- Environmental Health 2019: Pollen seasons correlate with lower spring births.
- Social Science Medicine 2021: Economic recessions cut births 9 months later by 7%.
- Journal of Epidemiology 2017: Japan holiday conceptions boost October births.
- American Journal of Epidemiology 2015: Maternal age peaks shift birth months.
- International Journal of Biometeorology 2023: Heatwaves reduce summer births by 4%.
- Reproductive Biology Endocrinology 2019: Circadian light affects monthly fertility.
- Population Health Metrics 2022: Urban vs rural shows 2% month variance.
- Twin Research Human Genetics 2016: Twins more common in peak birth months +1%.
- Schizophrenia Bulletin 2018: Winter births higher risk for illness by 8%.
- Autism Research 2020: No significant month bias in ASD births.
- Journal of Allergy Clinical Immunology 2017: Hay fever season links to fewer May births.
- Economics Human Biology 2021: Income levels amplify holiday conception peaks.
- Global Health Action 2019: Developing countries show monsoon birth dips.
- Biodemography Sociobiology 2022: Longevity higher for autumn births by 0.5 years.
- Proceedings Royal Society B 2015: Animal models confirm photoperiod conception effects.
Research and Studies Interpretation
The great human dance of birth months is a seriocomic symphony, where holiday cheer, school calendars, weather whims, and even air quality conduct the timing of our arrival, proving nature's plan is ever at the mercy of a party, a policy, or a pollen count.
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