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

Bulgaria
1.58 births per woman
in 2021
Iceland
1.59 births per woman
in 2023
Bulgaria rank
8th
Iceland rank
6th

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

  • Bulgaria
  • Iceland
1234194719852023

How they compare

Iceland currently reports 1.59 births per woman against 1.58 births per woman in Bulgaria, a difference of 0.01 births per woman.

The two have swapped places 2 times across 62 shared years of data; in 1960 it was Iceland ahead.

Bulgaria ranks 8th and Iceland ranks 6th of 34 countries.

Iceland has averaged higher in every one of the 7 decades both report.

Head to head by decade

Decade Bulgaria Iceland Difference Ahead
1960s 2.19 births per woman 3.68 births per woman 1.48 births per woman Iceland
1970s 2.17 births per woman 2.67 births per woman 0.5026 births per woman Iceland
1980s 1.99 births per woman 2.18 births per woman 0.19 births per woman Iceland
1990s 1.39 births per woman 2.13 births per woman 0.7459 births per woman Iceland
2000s 1.38 births per woman 2.06 births per woman 0.6836 births per woman Iceland
2010s 1.53 births per woman 1.94 births per woman 0.4072 births per woman Iceland
2020s 1.57 births per woman 1.85 births per woman 0.281 births per woman Iceland

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 Iceland?
Iceland, at 1.59 births per woman against 1.58 births per woman in Bulgaria as of 2023.
What is the difference in total fertility rate vs cohort fertility rate vs tempo-adjusted total fertility rate between Bulgaria and Iceland?
0.01 births per woman, with Iceland ahead.
How many years of comparable data are there for Bulgaria and Iceland?
62 years are reported by both, from 1960 to 2021.
How do Bulgaria and Iceland rank globally for total fertility rate vs cohort fertility rate vs tempo-adjusted total fertility rate?
Bulgaria ranks 8th and Iceland ranks 6th 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 Iceland: 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 10 September 2026, from https://population.statizoid.com/compare/total-fertility-rate-vs-cohort-fertility-rate-vs-tempo-adjusted-tfr/bulgaria/iceland/

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<a href="https://population.statizoid.com/compare/total-fertility-rate-vs-cohort-fertility-rate-vs-tempo-adjusted-tfr/bulgaria/iceland/">Bulgaria vs Iceland: Total fertility rate vs cohort fertility rate vs tempo-adjusted total fertility rate</a> — Statizoid

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.