Iceland vs Japan: Rate of twin deliveries

Iceland
1.19
in 2020
Japan
1.02
in 2019
Iceland rank
20th
Japan rank
23rd

Rate of twin deliveries over time

  • Iceland
  • Japan
0.511.522.5185019352020

How they compare

Iceland currently reports 1.19 against 1.02 in Japan, a difference of 0.17.

That makes Iceland's figure about 1.2 times Japan's.

The two have swapped places 2 times across 75 shared years of data; in 1923 it was Iceland ahead.

Iceland ranks 20th and Japan ranks 23rd of 23 countries.

Iceland has averaged higher in every one of the 9 decades both report.

Head to head by decade

Decade Iceland Japan Difference Ahead
1920s 1.54 0.3149 1.22 Iceland
1930s 1.21 0.3611 0.8506 Iceland
1950s 1.02 0.6438 0.3761 Iceland
1960s 1.04 0.6379 0.4047 Iceland
1970s 0.8788 0.6083 0.2705 Iceland
1980s 0.9484 0.6622 0.2862 Iceland
1990s 1.54 0.7936 0.7433 Iceland
2000s 1.76 1.08 0.6837 Iceland
2010s 1.49 0.9949 0.4987 Iceland

Averages of every year both report within each decade.

Frequently asked questions

Which has higher rate of twin deliveries, Iceland or Japan?
Iceland, at 1.19 against 1.02 in Japan as of 2020.
What is the difference in rate of twin deliveries between Iceland and Japan?
0.17, with Iceland ahead.
How many years of comparable data are there for Iceland and Japan?
75 years are reported by both, from 1923 to 2019.
How do Iceland and Japan rank globally for rate of twin deliveries?
Iceland ranks 20th and Japan ranks 23rd of 23 countries.
Where does this data come from?
Our World in Data, published as Rate of twin deliveries. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iceland vs Japan: Rate of twin deliveries. Statizoid, drawing on Our World in Data. Retrieved 20 August 2026, from https://reference.statizoid.com/compare/rate-of-twin-deliveries/iceland/japan/

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About this data

Indicator
Rate of twin deliveries
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
23 places, 2,436 data points, 1815–2022
Last refreshed