What is the difference in share of births by age of mother between Iran, Islamic Republic of and Tajikistan?

0.0%, with Iran, Islamic Republic of ahead.

How many years of comparable data are there for Iran, Islamic Republic of and Tajikistan?

74 years are reported by both, from 1950 to 2023.

Where does this data come from?

UN, World Population Prospects (2024) – processed by Our World in Data, published as Share of births by age of mother. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Iran, Islamic Republic of vs Tajikistan: Share of births by age of mother

Iran, Islamic Republic of

6.8%

in 2023

Tajikistan

6.8%

in 2023

Iran, Islamic Republic of rank

120th

Tajikistan rank

121st

Share of births by age of mother over time

Iran, Islamic Republic of
Tajikistan

How they compare

Iran, Islamic Republic of currently reports 6.8% against 6.8% in Tajikistan, a difference of 0.0%.

The two have swapped places 2 times across 74 shared years of data; in 1950 it was Iran, Islamic Republic of ahead.

Iran, Islamic Republic of ranks 120th and Tajikistan ranks 121st of 236 countries.

Across the 8 decades both report, Iran, Islamic Republic of averaged higher in 6 and Tajikistan in 2.

Head to head by decade

Decade	Iran, Islamic Republic of	Tajikistan	Difference	Ahead
1950s	10.0%	5.3%	4.6%	Iran, Islamic Republic of
1960s	10.7%	3.6%	7.2%	Iran, Islamic Republic of
1970s	16.0%	5.3%	10.7%	Iran, Islamic Republic of
1980s	15.0%	4.9%	10.1%	Iran, Islamic Republic of
1990s	13.0%	8.1%	5.0%	Iran, Islamic Republic of
2000s	13.5%	7.8%	5.7%	Iran, Islamic Republic of
2010s	7.6%	7.7%	0.1%	Tajikistan
2020s	6.5%	7.1%	0.6%	Tajikistan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher share of births by age of mother, Iran, Islamic Republic of or Tajikistan?: Iran, Islamic Republic of, at 6.8% against 6.8% in Tajikistan as of 2023.
What is the difference in share of births by age of mother between Iran, Islamic Republic of and Tajikistan?: 0.0%, with Iran, Islamic Republic of ahead.
How many years of comparable data are there for Iran, Islamic Republic of and Tajikistan?: 74 years are reported by both, from 1950 to 2023.
How do Iran, Islamic Republic of and Tajikistan rank globally for share of births by age of mother?: Iran, Islamic Republic of ranks 120th and Tajikistan ranks 121st of 236 countries.
Where does this data come from?: UN, World Population Prospects (2024) – processed by Our World in Data, published as Share of births by age of mother. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran, Islamic Republic of vs Tajikistan: Share of births by age of mother. Statizoid, drawing on UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 13 September 2026, from https://population.statizoid.com/compare/share-of-births-by-age-of-mother/iran-islamic-rep/tajikistan/

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About this data

Indicator: Share of births by age of mother
Unit: %
Source: UN, World Population Prospects (2024) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 236 places, 17,464 data points, 1950–2023
Last refreshed: 28 August 2026

Number of live births in a calendar year.