What is share of births that are twins in Japan?

Share of births that are twins in Japan was 1.0% in 2019, according to Human Multiple Births Database (2024) – processed by Our World in Data.

What is the highest share of births that are twins recorded in Japan?

The highest recorded value was 1.2% in 2005.

What is the lowest share of births that are twins recorded in Japan?

The lowest recorded value was 0.3% in 1923.

How does Japan rank for share of births that are twins?

Japan ranks 23rd out of 23 countries with data for 2019.

Is share of births that are twins rising or falling in Japan?

Over the last ten years it is up 2.6%. The long-run trend across the full record is rising.

Where does this Japan data come from?

The figures come from Human Multiple Births Database (2024) – processed by Our World in Data, published as part of Share of births that are twins. Statizoid updates them automatically from the source API.

Share of births that are twins in Japan

Name: Share of births that are twins in Japan
Creator: Human Multiple Births Database (2024) – processed by Our World in Data
License: CC BY 4.0 (Our World in Data)

Japan: Share of births that are twins was 1.0% in 2019. ▲ Rising

Latest (2019)

1.0%

Change on year

down 1.4%

World rank

23rd

of 23 countries

All-time high

1.2%

in 2005

All-time low

0.3%

in 1923

Years of data

1923–2019

Share of births that are twins in Japan, 1923–2019

Source: Human Multiple Births Database (2024) – processed by Our World in Data. Measured in %.

Analysis

In 2019, share of births that are twins in Japan stood at 1.0%.

The figure is down 1.4% on the previous year and up 2.6% over ten years.

Over the whole period, share of births that are twins in Japan peaked at 1.2% in 2005 and was at its lowest, 0.3%, in 1923.

Japan ranks 23rd of 23 countries on this measure, in the bottom quarter.

The long-run direction has been consistently rising across the 75 years of available data.

Averages by decade

Decade	Average	Lowest	Highest	Years
1920s	0.3%	0.3%	0.3%	7
1930s	0.4%	0.3%	0.4%	7
1950s	0.6%	0.6%	0.7%	9
1960s	0.6%	0.6%	0.7%	9
1970s	0.6%	0.6%	0.6%	6
1980s	0.7%	0.6%	0.7%	10
1990s	0.8%	0.7%	0.9%	7
2000s	1.1%	1.0%	1.2%	10
2010s	1.0%	0.9%	1.0%	10

Countries ranked near Japan

20 Iceland 1.2% compare
21 Italy 1.1% compare
22 Chile 1.1% compare

See the full ranking of 23 places →

More reference data data for Japan

Emission Totals - Emissions (CO2eq) from CH4 (AR5) - Enteric Fermentat 7,256 (2050)
Emission Totals - Emissions (N2O) - Manure Management 4.16 (2050)
Emission Totals - Emissions (N2O) - Manure left on Pasture 5.57 (2050)
Emission Totals - Emissions (N2O) - IPCC Agriculture 23.74 (2050)
Emission Totals - Emissions (CO2eq) from N2O (AR5) - IPCC Agriculture 6,290 (2050)
Emission Totals - Emissions (CO2eq) from CH4 (AR5) - Burning - Crop re 57.1 (2050)
Emission Totals - Emissions (CO2eq) (AR5) - Manure applied to Soils 1,056 (2050)
Emission Totals - Emissions (CO2eq) (AR5) - Manure left on Pasture 1,475 (2050)
Emission Totals - Emissions (CO2eq) from CH4 (AR5) - IPCC Agriculture 15,608 (2050)
Emission Totals - Emissions (CO2eq) from N2O (AR5) - Manure applied to 1,056 (2050)

All data for Japan →

Frequently asked questions

What is share of births that are twins in Japan?: Share of births that are twins in Japan was 1.0% in 2019, according to Human Multiple Births Database (2024) – processed by Our World in Data.
What is the highest share of births that are twins recorded in Japan?: The highest recorded value was 1.2% in 2005.
What is the lowest share of births that are twins recorded in Japan?: The lowest recorded value was 0.3% in 1923.
How does Japan rank for share of births that are twins?: Japan ranks 23rd out of 23 countries with data for 2019.
Is share of births that are twins rising or falling in Japan?: Over the last ten years it is up 2.6%. The long-run trend across the full record is rising.
Where does this Japan data come from?: The figures come from Human Multiple Births Database (2024) – processed by Our World in Data, published as part of Share of births that are twins. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 75 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator: Share of births that are twins
Unit: %
Source: Human Multiple Births Database (2024) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 23 places, 2,436 data points, 1815–2022
Last refreshed: 07 August 2026

The number of twin deliveries per 100 deliveries.