Average age of mothers at childbirth in Northern Mariana Islands
Northern Mariana Islands: Average age of mothers at childbirth was 29.05 years in 2023. ▬ Flat
Latest (2023)
29.05 years
Change on year
up 0.1%
World rank
130th
of 236 countries
All-time high
29.52 years
in 1950
All-time low
26.96 years
in 1994
Years of data
74
1950–2023
Average age of mothers at childbirth in Northern Mariana Islands, 1950–2023
Source: Human Fertility Database (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in years.
Analysis
Northern Mariana Islands recorded 29.05 years for average age of mothers at childbirth in 2023.
The figure is up 0.1% on the previous year and up 0.9% over ten years.
Over the whole period, average age of mothers at childbirth in Northern Mariana Islands peaked at 29.52 years in 1950 and was at its lowest, 26.96 years, in 1994.
That places Northern Mariana Islands 130th out of 236 countries with data for 2023, putting it in the middle of the range.
Average age of mothers at childbirth in Northern Mariana Islands, year by year
| Year | years | Change |
|---|---|---|
| 1950 | 29.52 years | — |
| 1951 | 29.52 years | -0.0% |
| 1952 | 29.51 years | -0.0% |
| 1953 | 29.5 years | -0.0% |
| 1954 | 29.5 years | -0.0% |
| 1955 | 29.49 years | -0.0% |
| 1956 | 29.47 years | -0.1% |
| 1957 | 29.46 years | -0.1% |
| 1958 | 29.44 years | -0.1% |
| 1959 | 29.42 years | -0.1% |
| 1960 | 29.4 years | -0.1% |
| 1961 | 29.39 years | -0.0% |
| 1962 | 29.38 years | -0.0% |
| 1963 | 29.37 years | -0.0% |
| 1964 | 29.36 years | -0.0% |
| 1965 | 29.35 years | -0.0% |
| 1966 | 29.34 years | -0.0% |
| 1967 | 29.33 years | -0.0% |
| 1968 | 29.34 years | +0.0% |
| 1969 | 29.29 years | -0.2% |
| 1970 | 29.24 years | -0.2% |
| 1971 | 29.14 years | -0.4% |
| 1972 | 29.04 years | -0.4% |
| 1973 | 28.92 years | -0.4% |
| 1974 | 28.8 years | -0.4% |
| 1975 | 28.67 years | -0.4% |
| 1976 | 28.54 years | -0.5% |
| 1977 | 28.38 years | -0.6% |
| 1978 | 28.16 years | -0.8% |
| 1979 | 27.95 years | -0.7% |
| 1980 | 27.88 years | -0.2% |
| 1981 | 27.86 years | -0.1% |
| 1982 | 27.93 years | +0.2% |
| 1983 | 28 years | +0.3% |
| 1984 | 28.04 years | +0.1% |
| 1985 | 28.07 years | +0.1% |
| 1986 | 28.07 years | +0.0% |
| 1987 | 27.96 years | -0.4% |
| 1988 | 27.72 years | -0.9% |
| 1989 | 27.49 years | -0.8% |
| 1990 | 27.22 years | -1.0% |
| 1991 | 27.09 years | -0.5% |
| 1992 | 27.03 years | -0.2% |
| 1993 | 27 years | -0.1% |
| 1994 | 26.96 years | -0.1% |
| 1995 | 27.14 years | +0.6% |
| 1996 | 27.53 years | +1.5% |
| 1997 | 27.81 years | +1.0% |
| 1998 | 28.06 years | +0.9% |
| 1999 | 27.97 years | -0.3% |
| 2000 | 27.95 years | -0.1% |
| 2001 | 27.91 years | -0.1% |
| 2002 | 27.98 years | +0.3% |
| 2003 | 27.83 years | -0.6% |
| 2004 | 27.7 years | -0.5% |
| 2005 | 27.59 years | -0.4% |
| 2006 | 27.55 years | -0.1% |
| 2007 | 27.64 years | +0.3% |
| 2008 | 27.83 years | +0.7% |
| 2009 | 28.06 years | +0.8% |
| 2010 | 28.23 years | +0.6% |
| 2011 | 28.47 years | +0.8% |
| 2012 | 28.68 years | +0.8% |
| 2013 | 28.8 years | +0.4% |
| 2014 | 28.82 years | +0.1% |
| 2015 | 28.85 years | +0.1% |
| 2016 | 28.91 years | +0.2% |
| 2017 | 28.95 years | +0.1% |
| 2018 | 28.97 years | +0.1% |
| 2019 | 29 years | +0.1% |
| 2020 | 29.01 years | +0.0% |
| 2021 | 29.02 years | +0.0% |
| 2022 | 29.04 years | +0.1% |
| 2023 | 29.05 years | +0.1% |
Northern Mariana Islands compared with similar countries
- Northern Mariana Islands's 29.05 years is below the median for high income countries, which is 30.49 years, 95% of the median. (85 countries reporting)
- Northern Mariana Islands's 29.05 years is below the median for East Asia & Pacific, which is 29.17 years, 100% of the median. (37 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 29.48 years | 29.42 years | 29.52 years | 10 |
| 1960s | 29.35 years | 29.29 years | 29.4 years | 10 |
| 1970s | 28.68 years | 27.95 years | 29.24 years | 10 |
| 1980s | 27.9 years | 27.49 years | 28.07 years | 10 |
| 1990s | 27.38 years | 26.96 years | 28.06 years | 10 |
| 2000s | 27.81 years | 27.55 years | 28.06 years | 10 |
| 2010s | 28.77 years | 28.23 years | 29 years | 10 |
| 2020s | 29.03 years | 29.01 years | 29.05 years | 4 |
Countries ranked near Northern Mariana Islands
More reference data data for Northern Mariana Islands
- Emission Totals - Emissions (N2O) - IPCC Agriculture 0 (2019)
- Emission Totals - Emissions (CO2eq) from CH4 (AR5) - IPCC Agriculture 0 (2019)
- Emission Totals - Emissions (CH4) - IPCC Agriculture 0 (2019)
- Emission Totals - Emissions (CO2eq) (AR5) - IPCC Agriculture 0 (2019)
- Emission Totals - Emissions (CO2eq) from N2O (AR5) - IPCC Agriculture 0 (2019)
- Global number of reported disasters by size, gaps filled 1 events (2018)
- Landline phone subscriptions, gaps filled 19,474 (2022)
- Landline phone subscriptions, per capita 0.4226 units per person (2022)
- Landline phone subscriptions, per unit of GDP 0 units per US$ of GDP (2022)
- Landline phone subscriptions, annual growth rate -2.63 % change on previous year (2022)
Frequently asked questions
- What is average age of mothers at childbirth in Northern Mariana Islands?
- Average age of mothers at childbirth in Northern Mariana Islands was 29.05 years in 2023, according to Human Fertility Database (2025); UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest average age of mothers at childbirth recorded in Northern Mariana Islands?
- The highest recorded value was 29.52 years in 1950.
- What is the lowest average age of mothers at childbirth recorded in Northern Mariana Islands?
- The lowest recorded value was 26.96 years in 1994.
- How does Northern Mariana Islands rank for average age of mothers at childbirth?
- Northern Mariana Islands ranks 130th out of 236 countries with data for 2023.
- Is average age of mothers at childbirth rising or falling in Northern Mariana Islands?
- Over the last ten years it is up 0.9%. The long-run trend across the full record is flat.
- Where does this Northern Mariana Islands data come from?
- The figures come from Human Fertility Database (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Average age of mothers at childbirth. Statizoid updates them automatically from the source API.
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About this data
Mean age of mothers at the birth of their children if women were subject throughout their lives to the age-specific fertility rates observed in a given year.