Iceland vs Japan: Peak birth month
Iceland
8
in 2023
Japan
8
in 2023
Iceland rank
14th
Japan rank
14th
Peak birth month over time
- Iceland
- Japan
How they compare
Iceland currently reports 8 against 8 in Japan, a difference of 0.
The two have swapped places 27 times across 125 shared years of data; in 1899 it was Iceland ahead.
Iceland ranks 14th and Japan ranks 14th of 40 countries.
Across the 14 decades both report, Iceland averaged higher in 8 and Japan in 6.
Head to head by decade
| Decade | Iceland | Japan | Difference | Ahead |
|---|---|---|---|---|
| 1890s | 9 | 1 | 8 | Iceland |
| 1900s | 8.4 | 2.1 | 6.3 | Iceland |
| 1910s | 8.5 | 2.8 | 5.7 | Iceland |
| 1920s | 7.8 | 2 | 5.8 | Iceland |
| 1930s | 7.7 | 1.2 | 6.5 | Iceland |
| 1940s | 8.3 | 1.9 | 6.4 | Iceland |
| 1950s | 3.6 | 1 | 2.6 | Iceland |
| 1960s | 5.7 | 2.5 | 3.2 | Iceland |
| 1970s | 5.3 | 5.6 | 0.3 | Japan |
| 1980s | 5.9 | 7.9 | 2 | Japan |
| 1990s | 6.3 | 7.4 | 1.1 | Japan |
| 2000s | 7.9 | 8.9 | 1 | Japan |
| 2010s | 8.3 | 8.9 | 0.6 | Japan |
| 2020s | 8.5 | 8.75 | 0.25 | Japan |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher peak birth month, Iceland or Japan?
- Iceland, at 8 against 8 in Japan as of 2023.
- What is the difference in peak birth month between Iceland and Japan?
- 0, with Iceland ahead.
- How many years of comparable data are there for Iceland and Japan?
- 125 years are reported by both, from 1899 to 2023.
- How do Iceland and Japan rank globally for peak birth month?
- Iceland ranks 14th and Japan ranks 14th of 40 countries.
- Where does this data come from?
- Human Mortality Database (2025) – processed by Our World in Data, published as Peak birth month. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Number corresponding to the month with the highest daily birth rate.