Which has higher share of births by age of mother, Guam or Iran, Islamic Republic of?

Iran, Islamic Republic of, at 6.8% against 6.7% in Guam as of 2023.

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

0.1%, with Iran, Islamic Republic of ahead.

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

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.

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

Guam

6.7%

in 2023

Iran, Islamic Republic of

6.8%

in 2023

Guam rank

122nd

Iran, Islamic Republic of rank

120th

Share of births by age of mother over time

Guam
Iran, Islamic Republic of

How they compare

Iran, Islamic Republic of currently reports 6.8% against 6.7% in Guam, a difference of 0.1%.

The two have swapped places 4 times across 74 shared years of data; in 1950 it was Iran, Islamic Republic of ahead.

Guam ranks 122nd and Iran, Islamic Republic of ranks 120th of 236 countries.

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

Head to head by decade

Decade	Guam	Iran, Islamic Republic of	Difference	Ahead
1950s	7.5%	10.0%	2.4%	Iran, Islamic Republic of
1960s	9.7%	10.7%	1.0%	Iran, Islamic Republic of
1970s	13.3%	16.0%	2.7%	Iran, Islamic Republic of
1980s	13.2%	15.0%	1.8%	Iran, Islamic Republic of
1990s	10.9%	13.0%	2.2%	Iran, Islamic Republic of
2000s	12.5%	13.5%	1.0%	Iran, Islamic Republic of
2010s	9.2%	7.6%	1.6%	Guam
2020s	6.6%	6.5%	0.2%	Guam

Averages of every year both report within each decade.

Frequently asked questions

Which has higher share of births by age of mother, Guam or Iran, Islamic Republic of?: Iran, Islamic Republic of, at 6.8% against 6.7% in Guam as of 2023.
What is the difference in share of births by age of mother between Guam and Iran, Islamic Republic of?: 0.1%, with Iran, Islamic Republic of ahead.
How many years of comparable data are there for Guam and Iran, Islamic Republic of?: 74 years are reported by both, from 1950 to 2023.
How do Guam and Iran, Islamic Republic of rank globally for share of births by age of mother?: Guam ranks 122nd and Iran, Islamic Republic of ranks 120th 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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Guam vs Iran, Islamic Republic of: Share of births by age of mother. Statizoid, drawing on UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 09 September 2026, from https://population.statizoid.com/compare/share-of-births-by-age-of-mother/guam/iran-islamic-rep/

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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.