Peak birth month by country

Number corresponding to the month with the highest daily birth rate.

Countries reporting
38
Highest
10
Spain
Lowest
1
Chile
Median
7
Years covered
185
1840–2024
Data points
3,607

What the numbers show

Peak birth month is currently reported for 38 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 7.18.

The gap between the highest and lowest reporting country is a factor of about 10.

Over the past decade 11 countries rose and 10 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 LatestYear 10-year changeTrend
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 Sweden 5 2024 up 25.0% rising
36 Australia 3 2021 unchanged volatile
37 South Korea 1 2023 unchanged volatile
37 Poland 1 2023 down 85.7% rising
37 Chile 1 2019 down 88.9% falling

About this data

Indicator
Peak birth month
Source
Human Mortality Database (2025) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
40 places, 3,607 data points, 1840–2024
Last refreshed

Number corresponding to the month with the highest daily birth rate.