Bulgaria vs Portugal: Peak birth month
Bulgaria
9
in 2021
Portugal
9
in 2023
Bulgaria rank
3rd
Portugal rank
3rd
Peak birth month over time
- Bulgaria
- Portugal
How they compare
Bulgaria currently reports 9 against 9 in Portugal, a difference of 0.
The two have swapped places 24 times across 89 shared years of data; in 1905 it was Portugal ahead.
Bulgaria ranks 3rd and Portugal ranks 3rd of 40 countries.
Across the 13 decades both report, Bulgaria averaged higher in 4 and Portugal in 8.
Head to head by decade
| Decade | Bulgaria | Portugal | Difference | Ahead |
|---|---|---|---|---|
| 1900s | 1 | 4 | 3 | Portugal |
| 1910s | 2 | 12 | 10 | Portugal |
| 1920s | 2 | 2 | 0 | — |
| 1930s | 5 | 1.67 | 3.33 | Bulgaria |
| 1940s | 5.2 | 1.9 | 3.3 | Bulgaria |
| 1950s | 2.6 | 2.1 | 0.5 | Bulgaria |
| 1960s | 3.6 | 4.1 | 0.5 | Portugal |
| 1970s | 4.7 | 7 | 2.3 | Portugal |
| 1980s | 6.5 | 5.5 | 1 | Bulgaria |
| 1990s | 6.1 | 7.2 | 1.1 | Portugal |
| 2000s | 7.7 | 8.6 | 0.9 | Portugal |
| 2010s | 7.6 | 9.2 | 1.6 | Portugal |
| 2020s | 8 | 9 | 1 | Portugal |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher peak birth month, Bulgaria or Portugal?
- Bulgaria, at 9 against 9 in Portugal as of 2021.
- What is the difference in peak birth month between Bulgaria and Portugal?
- 0, with Bulgaria ahead.
- How many years of comparable data are there for Bulgaria and Portugal?
- 89 years are reported by both, from 1905 to 2021.
- How do Bulgaria and Portugal rank globally for peak birth month?
- Bulgaria ranks 3rd and Portugal ranks 3rd of 40 countries.
- Where does this data come from?
- Our World in Data, published as Peak birth month. Statizoid refreshes it automatically from the source and publishes the full history for both places.