Birth seasonality in Portugal
Portugal: Birth seasonality was 21.68 births per million people in 2023. ▼ Falling
Birth seasonality in Portugal, 1901–2023
Source: Human Mortality Database (2025) – processed by Our World in Data. Measured in births per million people.
Analysis
Portugal recorded 21.68 births per million people for birth seasonality in 2023.
That represents a change of down 0.7% on the previous year and up 2.9% over ten years.
Over the whole period, birth seasonality in Portugal peaked at 84.38 births per million people in 1910 and was at its lowest, 19.5 births per million people, in 2020.
That places Portugal 28th out of 40 countries with data for 2023, putting it in the middle of the range.
The long-run direction has been consistently falling across the 113 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1900s | 62.54 births per million people | 58 births per million people | 68.37 births per million people | 9 |
| 1910s | 70.89 births per million people | 56.65 births per million people | 84.38 births per million people | 3 |
| 1920s | 72.9 births per million people | 69.81 births per million people | 75.51 births per million people | 7 |
| 1930s | 71.12 births per million people | 67.87 births per million people | 74.08 births per million people | 10 |
| 1940s | 68.69 births per million people | 60.34 births per million people | 76.64 births per million people | 10 |
| 1950s | 63.65 births per million people | 53.87 births per million people | 68.61 births per million people | 10 |
| 1960s | 62.62 births per million people | 55.68 births per million people | 70.44 births per million people | 10 |
| 1970s | 49.98 births per million people | 40.8 births per million people | 55.33 births per million people | 10 |
| 1980s | 35.51 births per million people | 30.9 births per million people | 41.19 births per million people | 10 |
| 1990s | 29.57 births per million people | 28.29 births per million people | 30.92 births per million people | 10 |
| 2000s | 27.39 births per million people | 25.6 births per million people | 30.47 births per million people | 10 |
| 2010s | 22.73 births per million people | 21.07 births per million people | 27.06 births per million people | 10 |
| 2020s | 21.09 births per million people | 19.5 births per million people | 21.83 births per million people | 4 |
Countries ranked near Portugal
- 25 Switzerland 22.78 births per million people compare
- 26 Bulgaria 21.85 births per million people compare
- 27 Austria 21.77 births per million people compare
- 29 Sweden 21.28 births per million people compare
- 30 Norway 19.73 births per million people compare
- 31 Finland 19.34 births per million people compare
More population data for Portugal
- World population growth -0.0% (2100)
- Population density 95.56 people per km² (2100)
- Number of children under 5, by world region 396,215 people (2100)
- Population growth rate, by level of development -0.0% (2100)
- Total fertility rate vs. contraceptive prevalence 1.41 births per woman (2024)
- Fertility rate vs. unmet need for contraception 1.41 births per woman (2024)
- Refugees by country of asylum 68,603 people (2024)
- Total fertility rate vs. wanted fertility rate 1.41 births per woman (2024)
- Fertility rate vs. Share of people who are religious 1.51 live births per woman (2023)
- Fertility rate accounting for survival until childbearing age 1.5 children per women (2023)
Frequently asked questions
- What is birth seasonality in Portugal?
- Birth seasonality in Portugal was 21.68 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 Portugal?
- The highest recorded value was 84.38 births per million people in 1910.
- What is the lowest birth seasonality recorded in Portugal?
- The lowest recorded value was 19.5 births per million people in 2020.
- How does Portugal rank for birth seasonality?
- Portugal ranks 28th out of 40 countries with data for 2023.
- Is birth seasonality rising or falling in Portugal?
- Over the last ten years it is up 2.9%. The long-run trend across the full record is falling.
- Where does this Portugal 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 — 113 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.