What is population, age 18, total in Tonga?

Population, age 18, total in Tonga was 2,407 in 2015, according to UNESCO Institute for Statistics.

What is the highest population, age 18, total recorded in Tonga?

The highest recorded value was 2,443 in 2013.

What is the lowest population, age 18, total recorded in Tonga?

The lowest recorded value was 1,975 in 1994.

How does Tonga rank for population, age 18, total?

Tonga ranks 178th out of 191 countries with data for 2015.

Is population, age 18, total rising or falling in Tonga?

Over the last ten years it is up 9.8%. 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, age 18, total. Statizoid updates them automatically from the source API.

Population, age 18, total in Tonga

Name: Population, age 18, total in Tonga
Creator: UNESCO Institute for Statistics
License: CC BY 4.0 (World Bank Open Data)

Tonga: Population, age 18, total was 2,407 in 2015. ▲ Rising

Latest (2015)

2,407

Change on year

down 1.5%

World rank

178th

of 191 countries

All-time high

2,443

in 2013

All-time low

1,975

in 1994

Years of data

1990–2015

Population, age 18, total in Tonga, 1990–2015

Source: UNESCO Institute for Statistics.

Analysis

In 2015, population, age 18, total in Tonga stood at 2,407.

The figure is down 1.5% on the previous year and up 9.8% over ten years.

Over the whole period, population, age 18, total in Tonga peaked at 2,443 in 2013 and was at its lowest, 1,975, in 1994.

That places Tonga 178th out of 191 countries with data for 2015, putting it in the bottom quarter.

The long-run direction has been consistently rising across the 25 years of available data.

Averages by decade

Decade	Average	Lowest	Highest	Years
1990s	2,085	1,975	2,279	10
2000s	2,270	2,193	2,357	10
2010s	2,422	2,396	2,443	5

Countries ranked near Tonga

175 Barbados 3,627 compare
176 Saint Lucia 2,819 compare
177 Micronesia (country) 2,630 compare
179 Grenada 2,311 compare
180 Kiribati 2,152 compare
181 Saint Vincent and the Grenadines 1,922 compare

See the full ranking of 191 places →

More education data for Tonga

Official entrance age to pre-primary education 4 years (2025)
Duration of pre-primary education 2 years (2025)
Lower secondary school starting age 12 years (2025)
Primary school starting age 6 years (2025)
Population ages 0-14 34.9% (2025)
Population ages 15-64 58.2% (2025)
School enrollment, primary 108.8% (2024)
Primary education, teachers 818 (2024)
Fertility rate vs. average years of schooling 3.1 live births per woman (2024)
School enrollment, primary, female 110.7% (2024)

All data for Tonga →

Frequently asked questions

What is population, age 18, total in Tonga?: Population, age 18, total in Tonga was 2,407 in 2015, according to UNESCO Institute for Statistics.
What is the highest population, age 18, total recorded in Tonga?: The highest recorded value was 2,443 in 2013.
What is the lowest population, age 18, total recorded in Tonga?: The lowest recorded value was 1,975 in 1994.
How does Tonga rank for population, age 18, total?: Tonga ranks 178th out of 191 countries with data for 2015.
Is population, age 18, total rising or falling in Tonga?: Over the last ten years it is up 9.8%. 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, age 18, total. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 25 observations, free to reuse under CC BY 4.0 (World Bank Open Data).

About this data

Indicator: Population, age 18, total
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 191 places, 4,605 data points, 1990–2015
Last refreshed: 07 August 2026

Age population, total refers to total population at the specified age level, as estimated by the UNESCO Institute for Statistics.