What is replacement-level fertility rate in Tonga?

Replacement-level fertility rate in Tonga was 2.13 in 2010, according to Gietel-Basten and Scherbov (2020) – processed by Our World in Data.

What is the highest replacement-level fertility rate recorded in Tonga?

The highest recorded value was 2.43 in 1950.

What is the lowest replacement-level fertility rate recorded in Tonga?

The lowest recorded value was 2.13 in 2010.

How does Tonga rank for replacement-level fertility rate?

Tonga ranks 88th out of 199 countries with data for 2010.

Is replacement-level fertility rate rising or falling in Tonga?

Over the last ten years it is down 0.5%. The long-run trend across the full record is falling.

Where does this Tonga data come from?

The figures come from Gietel-Basten and Scherbov (2020) – processed by Our World in Data, published as part of Replacement-level fertility rate. Statizoid updates them automatically from the source API.

Replacement-level fertility rate in Tonga

Name: Replacement-level fertility rate in Tonga
Creator: Gietel-Basten and Scherbov (2020) – processed by Our World in Data
License: CC BY 4.0 (Our World in Data)

Tonga: Replacement-level fertility rate was 2.13 in 2010. ▼ Falling

Latest (2010)

2.13

World rank

88th

of 199 countries

All-time high

2.43

in 1950

All-time low

2.13

in 2010

Years of data

1950–2010

Replacement-level fertility rate in Tonga, 1950–2010

Source: Gietel-Basten and Scherbov (2020) – processed by Our World in Data.

Analysis

Tonga recorded 2.13 for replacement-level fertility rate in 2010. That is the lowest value across all 7 years on record.

Compared with earlier readings it is down 0.5% over ten years.

Over the whole period, replacement-level fertility rate in Tonga peaked at 2.43 in 1950 and was at its lowest, 2.13, in 2010.

Tonga ranks 88th of 199 countries on this measure, in the middle of the range.

Averages by decade

Decade	Average	Lowest	Highest	Years
1950s	2.43	2.43	2.43	1
1960s	2.33	2.33	2.33	1
1970s	2.24	2.24	2.24	1
1980s	2.19	2.19	2.19	1
1990s	2.17	2.17	2.17	1
2000s	2.14	2.14	2.14	1
2010s	2.13	2.13	2.13	1

Countries ranked near Tonga

See the full ranking of 199 places →

More population data for Tonga

Population growth rate, by level of development -0.0% (2100)
Number of children under 5, by world region 6,812 people (2100)
Population density 163.72 people per km² (2100)
World population growth -0.0% (2100)
Total fertility rate vs. wanted fertility rate 3.1 births per woman (2024)
Fertility rate vs. unmet need for contraception 3.1 births per woman (2024)
Total fertility rate vs. contraceptive prevalence 3.1 births per woman (2024)
Natural population growth rate 1.7% (2023)
Fertility rate: births per woman 3.13 live births per woman (2023)
Fertility rate vs. GDP per capita 3.13 live births per woman (2023)

All data for Tonga →

Frequently asked questions

What is replacement-level fertility rate in Tonga?: Replacement-level fertility rate in Tonga was 2.13 in 2010, according to Gietel-Basten and Scherbov (2020) – processed by Our World in Data.
What is the highest replacement-level fertility rate recorded in Tonga?: The highest recorded value was 2.43 in 1950.
What is the lowest replacement-level fertility rate recorded in Tonga?: The lowest recorded value was 2.13 in 2010.
How does Tonga rank for replacement-level fertility rate?: Tonga ranks 88th out of 199 countries with data for 2010.
Is replacement-level fertility rate rising or falling in Tonga?: Over the last ten years it is down 0.5%. The long-run trend across the full record is falling.
Where does this Tonga data come from?: The figures come from Gietel-Basten and Scherbov (2020) – processed by Our World in Data, published as part of Replacement-level fertility rate. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 7 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator: Replacement-level fertility rate
Source: Gietel-Basten and Scherbov (2020) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 199 places, 1,393 data points, 1950–2010
Last refreshed: 07 August 2026

The replacement-level fertility rate (the total fertility rate needed to keep the population size stable over time, without migration) is commonly stated to be 2.1. But the level can vary based on the sex ratio, child mortality rates, and other factors.