Peak birth month by country
Countries reporting
40
Highest
10
Spain
Lowest
1
Chile
Median
7
Years covered
185
1840–2024
Data points
3,610
What the numbers show
Peak birth month is currently reported for 40 countries. The highest value is 10 in Spain; the lowest is 1 in Chile.
The median across all reporting countries is 7, and the mean is 6.97.
The gap between the highest and lowest reporting country is a factor of about 10.
Over the past decade 11 countries rose and 12 fell. The largest increase was in Hong Kong (up 900.0%), and the largest decrease in Chile (down 88.9%).
Peak birth month: full country ranking
| # | Country | Latest | Year | 10-year change | Trend |
|---|---|---|---|---|---|
| 1 | Spain | 10 | 2023 | up 11.1% | volatile |
| 1 | Hong Kong | 10 | 2023 | up 900.0% | falling |
| 3 | Italy | 9 | 2022 | down 10.0% | volatile |
| 3 | Bulgaria | 9 | 2021 | up 28.6% | rising |
| 3 | Israel | 9 | 2009 | unchanged | rising |
| 3 | Canada | 9 | 2023 | unchanged | rising |
| 3 | Hungary | 9 | 2020 | up 350.0% | rising |
| 3 | Croatia | 9 | 2020 | unchanged | volatile |
| 3 | Germany | 9 | 2020 | unchanged | rising |
| 3 | Portugal | 9 | 2023 | unchanged | volatile |
| 3 | New Zealand | 9 | 2020 | unchanged | falling |
| 3 | Latvia | 9 | 2024 | up 28.6% | rising |
| 3 | United Kingdom | 9 | 2022 | unchanged | rising |
| 14 | Estonia | 8 | 2019 | up 14.3% | rising |
| 14 | Japan | 8 | 2023 | down 11.1% | volatile |
| 14 | Iceland | 8 | 2023 | up 33.3% | falling |
| 14 | Belgium | 8 | 2023 | up 14.3% | rising |
| 14 | United States | 8 | 2023 | unchanged | rising |
| 19 | Netherlands | 7 | 2023 | unchanged | volatile |
| 19 | Austria | 7 | 2023 | down 22.2% | volatile |
| 19 | Russia | 7 | 2014 | up 16.7% | volatile |
| 19 | Slovakia | 7 | 2019 | down 22.2% | rising |
| 19 | Lithuania | 7 | 2024 | unchanged | rising |
| 19 | Slovenia | 7 | 2019 | unchanged | rising |
| 19 | Ukraine | 7 | 2013 | unchanged | rising |
| 19 | Greece | 7 | 2019 | unchanged | volatile |
| 19 | France | 7 | 2023 | unchanged | volatile |
| 19 | Finland | 7 | 2024 | down 22.2% | volatile |
| 19 | Denmark | 7 | 2024 | unchanged | rising |
| 19 | Czechia | 7 | 2021 | up 16.7% | rising |
| 19 | Belarus | 7 | 2016 | down 12.5% | volatile |
| 32 | Norway | 6 | 2024 | down 14.3% | rising |
| 32 | Switzerland | 6 | 2023 | down 14.3% | volatile |
| 34 | Luxembourg | 5 | 2023 | down 28.6% | rising |
| 34 | Sweden | 5 | 2024 | up 25.0% | rising |
| 36 | Australia | 3 | 2021 | unchanged | volatile |
| 37 | South Korea | 1 | 2023 | unchanged | volatile |
| 37 | Ireland | 1 | 2022 | down 85.7% | rising |
| 37 | Poland | 1 | 2023 | down 85.7% | rising |
| 37 | Chile | 1 | 2019 | down 88.9% | falling |