Population aged 15-24 years (thousands) in Tonga

Tonga: Population aged 15-24 years (thousands) was 21.29 thousands in 2025. ▲ Rising

Latest (2025)
21.29 thousands
Change on year
up 2.3%
World rank
193rd
of 233 countries
All-time high
22.2 thousands
in 1988
All-time low
15.24 thousands
in 1970
Years of data
56
1970–2025

Population aged 15-24 years in Tonga, 1970–2025

05101520197019972025

Source: UNESCO Institute for Statistics. Measured in thousands.

Analysis

The most recent figure for population aged 15-24 years in Tonga is 21.29 thousands, measured in 2025.

The figure is up 2.3% on the previous year and up 7.6% over ten years.

Over the whole period, population aged 15-24 years in Tonga peaked at 22.2 thousands in 1988 and was at its lowest, 15.24 thousands, in 1970.

Tonga ranks 193rd of 233 countries on this measure, in the bottom quarter.

The long-run direction has been consistently rising across the 56 years of available data.

Population aged 15-24 years (thousands) in Tonga, year by year

Annual values for Population aged 15-24 years (thousands) in Tonga, 1970 to 2025.
Year thousands Change
1970 15.24 thousands —
1971 15.53 thousands +1.9%
1972 15.84 thousands +2.0%
1973 16.29 thousands +2.9%
1974 16.76 thousands +2.9%
1975 17.44 thousands +4.1%
1976 18.21 thousands +4.4%
1977 19.05 thousands +4.6%
1978 19.42 thousands +1.9%
1979 19.7 thousands +1.4%
1980 19.89 thousands +1.0%
1981 20.06 thousands +0.8%
1982 20.26 thousands +1.0%
1983 20.52 thousands +1.3%
1984 20.88 thousands +1.7%
1985 21.28 thousands +1.9%
1986 21.7 thousands +2.0%
1987 22.07 thousands +1.7%
1988 22.2 thousands +0.6%
1989 22.14 thousands -0.3%
1990 21.91 thousands -1.1%
1991 21.55 thousands -1.6%
1992 21.15 thousands -1.9%
1993 20.76 thousands -1.8%
1994 20.47 thousands -1.4%
1995 20.34 thousands -0.6%
1996 20.33 thousands -0.0%
1997 20.45 thousands +0.6%
1998 20.57 thousands +0.6%
1999 20.67 thousands +0.5%
2000 20.76 thousands +0.4%
2001 20.79 thousands +0.2%
2002 20.75 thousands -0.2%
2003 20.65 thousands -0.5%
2004 20.5 thousands -0.7%
2005 20.4 thousands -0.5%
2006 20.39 thousands -0.0%
2007 20.44 thousands +0.2%
2008 20.34 thousands -0.5%
2009 20.23 thousands -0.6%
2010 20.13 thousands -0.5%
2011 20.24 thousands +0.5%
2012 20.18 thousands -0.3%
2013 20.03 thousands -0.7%
2014 19.89 thousands -0.7%
2015 19.8 thousands -0.5%
2016 19.81 thousands +0.1%
2017 19.76 thousands -0.2%
2018 19.72 thousands -0.2%
2019 19.75 thousands +0.2%
2020 19.9 thousands +0.8%
2021 20 thousands +0.5%
2022 20.26 thousands +1.3%
2023 20.54 thousands +1.4%
2024 20.82 thousands +1.3%
2025 21.29 thousands +2.3%

Tonga compared with similar countries

  • Tonga's 21.29 thousands is below the median for upper middle income countries, which is 997.95 thousands, 2% of the median. (58 countries reporting)
  • Tonga's 21.29 thousands is below the median for East Asia & Pacific, which is 305.44 thousands, 7% of the median. (37 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1970s 17.35 thousands 15.24 thousands 19.7 thousands 10
1980s 21.1 thousands 19.89 thousands 22.2 thousands 10
1990s 20.82 thousands 20.33 thousands 21.91 thousands 10
2000s 20.52 thousands 20.23 thousands 20.79 thousands 10
2010s 19.93 thousands 19.72 thousands 20.24 thousands 10
2020s 20.47 thousands 19.9 thousands 21.29 thousands 6

Countries ranked near Tonga

  1. 190 Kiribati 23.43 thousands compare
  2. 191 Curacao 22.81 thousands compare
  3. 192 Micronesia (country) 22.52 thousands compare
  4. 194 Grenada 16.86 thousands compare
  5. 195 Seychelles 16.7 thousands compare
  6. 196 Saint Vincent and the Grenadines 14.48 thousands compare

See the full ranking of 233 places →

More population data for Tonga

All data for Tonga →

Frequently asked questions

What is population aged 15-24 years in Tonga?
Population aged 15-24 years in Tonga was 21.29 thousands in 2025, according to UNESCO Institute for Statistics.
What is the highest population aged 15-24 years recorded in Tonga?
The highest recorded value was 22.2 thousands in 1988.
What is the lowest population aged 15-24 years recorded in Tonga?
The lowest recorded value was 15.24 thousands in 1970.
How does Tonga rank for population aged 15-24 years?
Tonga ranks 193rd out of 233 countries with data for 2025.
Is population aged 15-24 years rising or falling in Tonga?
Over the last ten years it is up 7.6%. The long-run trend across the full record is rising.
Where does this Tonga data come from?
The figures come from UNESCO Institute for Statistics, published as part of Population aged 15-24 years (thousands). Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 56 observations, free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics).

Share, cite or embed this page

Cite this page

Population aged 15-24 years in Tonga. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 12 October 2026, from https://population.statizoid.com/stat/population-aged-15-24-years-thousands/tonga/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics); please keep the attribution.

<a href="https://population.statizoid.com/stat/population-aged-15-24-years-thousands/tonga/">Population aged 15-24 years in Tonga</a> — Statizoid

About this data

Indicator
Population aged 15-24 years (thousands)
Unit
thousands
Source
UNESCO Institute for Statistics
Licence
CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
233 places, 12,820 data points, 1970–2025
Last refreshed

February 2026 Data Release