Bulgaria vs Spain: Peak birth month
Bulgaria
9
in 2021
Spain
10
in 2023
Bulgaria rank
3rd
Spain rank
1st
Peak birth month over time
- Bulgaria
- Spain
How they compare
Spain currently reports 10 against 9 in Bulgaria, a difference of 1.
That makes Spain's figure about 1.1 times Bulgaria's.
The two have swapped places 31 times across 90 shared years of data; in 1900 it was Bulgaria ahead.
Bulgaria ranks 3rd and Spain ranks 1st of 40 countries.
Across the 13 decades both report, Bulgaria averaged higher in 5 and Spain in 6.
Head to head by decade
| Decade | Bulgaria | Spain | Difference | Ahead |
|---|---|---|---|---|
| 1900s | 5.5 | 2 | 3.5 | Bulgaria |
| 1910s | 2 | 2 | 0 | — |
| 1920s | 2 | 2 | 0 | — |
| 1930s | 5 | 1.67 | 3.33 | Bulgaria |
| 1940s | 5.2 | 3.5 | 1.7 | Bulgaria |
| 1950s | 2.6 | 2.4 | 0.2 | Bulgaria |
| 1960s | 3.6 | 5.8 | 2.2 | Spain |
| 1970s | 4.7 | 6.1 | 1.4 | Spain |
| 1980s | 6.5 | 6.1 | 0.4 | Bulgaria |
| 1990s | 6.1 | 7.9 | 1.8 | Spain |
| 2000s | 7.7 | 9.2 | 1.5 | Spain |
| 2010s | 7.6 | 9 | 1.4 | Spain |
| 2020s | 8 | 9 | 1 | Spain |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher peak birth month, Bulgaria or Spain?
- Spain, at 10 against 9 in Bulgaria as of 2023.
- What is the difference in peak birth month between Bulgaria and Spain?
- 1, with Spain ahead.
- How many years of comparable data are there for Bulgaria and Spain?
- 90 years are reported by both, from 1900 to 2021.
- How do Bulgaria and Spain rank globally for peak birth month?
- Bulgaria ranks 3rd and Spain ranks 1st 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.