Bulgaria vs Slovenia: Total fertility rate vs cohort fertility rate vs tempo-adjusted total fertility rate

Bulgaria
1.58 births per woman
in 2021
Slovenia
1.61 births per woman
in 2019
Bulgaria rank
8th
Slovenia rank
5th

Total fertility rate vs cohort fertility rate vs tempo-adjusted total fertility rate over time

  • Bulgaria
  • Slovenia
0123194719842021

How they compare

Slovenia currently reports 1.61 births per woman against 1.58 births per woman in Bulgaria, a difference of 0.03 births per woman.

The two have swapped places 3 times across 37 shared years of data; in 1983 it was Bulgaria ahead.

Bulgaria ranks 8th and Slovenia ranks 5th of 34 countries.

Across the 4 decades both report, Bulgaria averaged higher in 3 and Slovenia in 1.

Head to head by decade

Decade Bulgaria Slovenia Difference Ahead
1980s 1.98 births per woman 1.68 births per woman 0.3006 births per woman Bulgaria
1990s 1.39 births per woman 1.31 births per woman 0.0748 births per woman Bulgaria
2000s 1.38 births per woman 1.31 births per woman 0.0614 births per woman Bulgaria
2010s 1.53 births per woman 1.58 births per woman 0.0492 births per woman Slovenia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher total fertility rate vs cohort fertility rate vs tempo-adjusted total fertility rate, Bulgaria or Slovenia?
Slovenia, at 1.61 births per woman against 1.58 births per woman in Bulgaria as of 2019.
What is the difference in total fertility rate vs cohort fertility rate vs tempo-adjusted total fertility rate between Bulgaria and Slovenia?
0.03 births per woman, with Slovenia ahead.
How many years of comparable data are there for Bulgaria and Slovenia?
37 years are reported by both, from 1983 to 2019.
How do Bulgaria and Slovenia rank globally for total fertility rate vs cohort fertility rate vs tempo-adjusted total fertility rate?
Bulgaria ranks 8th and Slovenia ranks 5th of 34 countries.
Where does this data come from?
Human Fertility Database (2025) – processed by Our World in Data, published as Total fertility rate vs cohort fertility rate vs tempo-adjusted total fertility rate. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Slovenia: Total fertility rate vs cohort fertility rate vs tempo-adjusted total fertility rate. Statizoid, drawing on Human Fertility Database (2025) – processed by Our World in Data. Retrieved 12 September 2026, from https://population.statizoid.com/compare/total-fertility-rate-vs-cohort-fertility-rate-vs-tempo-adjusted-tfr/bulgaria/slovenia/

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About this data

Indicator
Total fertility rate vs cohort fertility rate vs tempo-adjusted total fertility rate
Unit
births per woman
Source
Human Fertility Database (2025) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
34 places, 2,331 data points, 1891–2024
Last refreshed

Average number of children a woman would have in her lifetime if she experienced the fertility rates of a specific year.