Birth seasonality in Iceland

Iceland: Birth seasonality was 27.8 births per million people in 2023. ▼ Falling

Latest (2023)
27.8 births per million people
Change on year
up 3.1%
World rank
9th
of 40 countries
All-time high
86.76 births per million people
in 1895
All-time low
26.98 births per million people
in 2022
Years of data
146
1878–2023

Birth seasonality in Iceland, 1878–2023

20406080187819502023

Source: Human Mortality Database (2025) – processed by Our World in Data. Measured in births per million people.

Analysis

Iceland recorded 27.8 births per million people for birth seasonality in 2023.

That represents a change of up 3.1% on the previous year and down 16.3% over ten years.

Over the whole period, birth seasonality in Iceland peaked at 86.76 births per million people in 1895 and was at its lowest, 26.98 births per million people, in 2022.

That places Iceland 9th out of 40 countries with data for 2023, putting it in the top quarter.

The long-run direction has been consistently falling across the 146 years of available data.

Averages by decade

DecadeAverage LowestHighest Years
1870s 73.94 births per million people 67.69 births per million people 80.19 births per million people 2
1880s 69.38 births per million people 61.43 births per million people 79.53 births per million people 10
1890s 71.59 births per million people 55.12 births per million people 86.76 births per million people 10
1900s 65.06 births per million people 58.42 births per million people 70.55 births per million people 10
1910s 64.66 births per million people 58.78 births per million people 74.73 births per million people 10
1920s 65.08 births per million people 50.18 births per million people 76.1 births per million people 10
1930s 54.74 births per million people 43.07 births per million people 61.88 births per million people 10
1940s 67.76 births per million people 50.47 births per million people 81.55 births per million people 10
1950s 74.25 births per million people 67.67 births per million people 79.4 births per million people 10
1960s 61.88 births per million people 53.81 births per million people 70.55 births per million people 10
1970s 49.97 births per million people 46.3 births per million people 56.07 births per million people 10
1980s 44.27 births per million people 37.57 births per million people 51.74 births per million people 10
1990s 40.23 births per million people 36.77 births per million people 43.8 births per million people 10
2000s 36.59 births per million people 30.53 births per million people 41.72 births per million people 10
2010s 32.68 births per million people 27.5 births per million people 43.37 births per million people 10
2020s 29.33 births per million people 26.98 births per million people 31.72 births per million people 4

Countries ranked near Iceland

  1. 6 New Zealand 29.85 births per million people compare
  2. 7 Ukraine 28.56 births per million people compare
  3. 8 United States 28.43 births per million people compare
  4. 11 Slovakia 27.26 births per million people compare
  5. 12 Czechia 26.39 births per million people compare

See the full ranking of 40 places →

More population data for Iceland

All data for Iceland →

Frequently asked questions

What is birth seasonality in Iceland?
Birth seasonality in Iceland was 27.8 births per million people in 2023, according to Human Mortality Database (2025) – processed by Our World in Data.
What is the highest birth seasonality recorded in Iceland?
The highest recorded value was 86.76 births per million people in 1895.
What is the lowest birth seasonality recorded in Iceland?
The lowest recorded value was 26.98 births per million people in 2022.
How does Iceland rank for birth seasonality?
Iceland ranks 9th out of 40 countries with data for 2023.
Is birth seasonality rising or falling in Iceland?
Over the last ten years it is down 16.3%. The long-run trend across the full record is falling.
Where does this Iceland data come from?
The figures come from Human Mortality Database (2025) – processed by Our World in Data, published as part of Birth seasonality. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 146 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Birth seasonality
Unit
births per million people
Source
Human Mortality Database (2025) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
40 places, 3,607 data points, 1840–2024
Last refreshed

The average daily number of births, per million people, calculated for December.