Birth seasonality in United States
United States: Birth seasonality was 28.43 births per million people in 2023. ▼ Falling
Birth seasonality in United States, 1933–2023
Source: Human Mortality Database (2025) – processed by Our World in Data. Measured in births per million people.
Analysis
United States recorded 28.43 births per million people for birth seasonality in 2023.
Compared with earlier readings it is down 6.2% on the previous year and down 16.9% over ten years.
Over the whole period, birth seasonality in United States peaked at 77.31 births per million people in 1946 and was at its lowest, 28.19 births per million people, in 2020.
United States ranks 8th of 40 countries on this measure, in the top quarter.
The long-run direction has been consistently falling across the 91 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1930s | 44.26 births per million people | 42.6 births per million people | 45.26 births per million people | 7 |
| 1940s | 59.21 births per million people | 46.78 births per million people | 77.31 births per million people | 10 |
| 1950s | 66.48 births per million people | 63.9 births per million people | 68.72 births per million people | 10 |
| 1960s | 54.84 births per million people | 47.55 births per million people | 65.06 births per million people | 10 |
| 1970s | 42.12 births per million people | 39.63 births per million people | 51.74 births per million people | 10 |
| 1980s | 42.18 births per million people | 41.13 births per million people | 43.7 births per million people | 10 |
| 1990s | 40.22 births per million people | 38.01 births per million people | 43.28 births per million people | 10 |
| 2000s | 37.63 births per million people | 35.79 births per million people | 38.41 births per million people | 10 |
| 2010s | 32.94 births per million people | 30.23 births per million people | 35.3 births per million people | 10 |
| 2020s | 29.26 births per million people | 28.19 births per million people | 30.29 births per million people | 4 |
Countries ranked near United States
- 5 Australia 30.39 births per million people compare
- 6 New Zealand 29.85 births per million people compare
- 7 Ukraine 28.56 births per million people compare
- 9 Iceland 27.8 births per million people compare
- 10 Ireland 27.42 births per million people compare
- 11 Slovakia 27.26 births per million people compare
More population data for United States
- World population growth 0.1% (2100)
- Population density 46.05 people per km² (2100)
- Number of children under 5, by world region 19.91 million people (2100)
- Population growth rate, by level of development 0.1% (2100)
- Total fertility rate vs. contraceptive prevalence 1.63 births per woman (2024)
- Fertility rate vs. unmet need for contraception 1.63 births per woman (2024)
- Refugees by country of asylum 435,333 people (2024)
- Total fertility rate vs. wanted fertility rate 1.63 births per woman (2024)
- Fertility rate vs. Share of people who are religious 1.62 live births per woman (2023)
- Fertility rate accounting for survival until childbearing age 1.6 children per women (2023)
Frequently asked questions
- What is birth seasonality in United States?
- Birth seasonality in United States was 28.43 births per million people in 2023, according to Human Mortality Database (2025) – processed by Our World in Data.
- What is the highest birth seasonality recorded in United States?
- The highest recorded value was 77.31 births per million people in 1946.
- What is the lowest birth seasonality recorded in United States?
- The lowest recorded value was 28.19 births per million people in 2020.
- How does United States rank for birth seasonality?
- United States ranks 8th out of 40 countries with data for 2023.
- Is birth seasonality rising or falling in United States?
- Over the last ten years it is down 16.9%. The long-run trend across the full record is falling.
- Where does this United States data come from?
- The figures come from Human Mortality Database (2025) – processed by Our World in Data, published as part of Birth seasonality. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 91 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
The average daily number of births, per million people, calculated for December.