Period average age of mothers in United States

United States: Period average age of mothers was 29.9 in 2023. β–² Rising

Latest (2023)
29.9
Change on year
up 0.1%
World rank
84th
of 229 countries
All-time high
29.9
in 2023
All-time low
25.77
in 1974
Years of data
91
1933–2023

Period average age of mothers in United States, 1933–2023

0102030193319782023

Source: Our World in Data.

Analysis

The most recent figure for period average age of mothers in United States is 29.9, measured in 2023. That is the highest value across all 91 years on record.

Compared with earlier readings it is up 0.1% on the previous year and up 3.9% over ten years.

Over the whole period, period average age of mothers in United States peaked at 29.9 in 2023 and was at its lowest, 25.77, in 1974.

United States ranks 84th of 229 countries on this measure, in the middle of the range.

The long-run direction has been consistently rising across the 91 years of available data.

Averages by decade

DecadeAverage LowestHighest Years
1930s 27.61 27.33 27.97 7
1940s 27.12 26.64 27.74 10
1950s 26.52 26.41 26.63 10
1960s 26.4 26.15 26.57 10
1970s 25.9 25.77 26.06 10
1980s 26.31 25.99 26.54 10
1990s 26.82 26.52 27.23 10
2000s 27.8 27.37 28.1 10
2010s 29 28.29 29.59 10
2020s 29.82 29.68 29.9 4

Countries ranked near United States

  1. 81 Tonga 29.95 compare
  2. 82 Morocco 29.93 compare
  3. 83 Senegal 29.92 compare
  4. 85 Bhutan 29.89 compare
  5. 86 Poland 29.89 compare
  6. 87 Gambia 29.82 compare
  7. 87 Jordan 29.82 compare

See the full ranking of 236 places β†’

More reference data data for United States

All data for United States β†’

Frequently asked questions

What is period average age of mothers in United States?
Period average age of mothers in United States was 29.9 in 2023, according to Our World in Data.
What is the highest period average age of mothers recorded in United States?
The highest recorded value was 29.9 in 2023.
What is the lowest period average age of mothers recorded in United States?
The lowest recorded value was 25.77 in 1974.
How does United States rank for period average age of mothers?
United States ranks 84th out of 229 countries with data for 2023.
Is period average age of mothers rising or falling in United States?
Over the last ten years it is up 3.9%. The long-run trend across the full record is rising.
Where does this United States data come from?
The figures come from Our World in Data, published as part of Period average age of mothers. Statizoid updates them automatically from the source API.

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Period average age of mothers in United States. Statizoid, drawing on Our World in Data. Retrieved 17 August 2026, from https://reference.statizoid.com/stat/period-average-age-of-mothers/united-states/

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About this data

Indicator
Period average age of mothers
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
236 places, 17,683 data points, 1891–2023
Last refreshed