People affected by disaster, Number (Not Applicable), per capita in Tonga

Tonga: People affected by disaster, Number (Not Applicable), per capita was 0.2365 units per person in 2020. ◆ Volatile

Latest (2020)
0.2365 units per person
Change on year
down 71.3%
World rank
20th
of 178 countries
All-time high
1.5 units per person
in 1982
All-time low
0 units per person
in 2004
Years of data
12
1982–2020

People affected by disaster, Number (Not Applicable), per capita in Tonga, 1982–2020

00.511.51982200120201982: 1.5 units per person1990: 0.031 units per person1997: 0.03 units per person1998: 0.035 units per person2001: 0.16 units per person2004: 0 units per person2011: 0.071 units per person2014: 0.038 units per person2015: 0 units per person2016: 0.004 units per person2018: 0.824 units per person2020: 0.237 units per person

Source: Statizoid (derived). Measured in units per person.

Analysis

The most recent figure for people affected by disaster, number (not applicable), per capita in Tonga is 0.2365 units per person, measured in 2020.

Compared with earlier readings it is down 71.3% on the previous year and up 234.8% over ten years.

Over the whole period, people affected by disaster, number (not applicable), per capita in Tonga peaked at 1.5 units per person in 1982 and was at its lowest, 0 units per person, in 2004.

That places Tonga 20th out of 178 countries with data for 2020, putting it in the top quarter.

The series is highly variable year to year, so single readings are best treated with caution.

People affected by disaster, Number (Not Applicable), per capita in Tonga, year by year

Annual values for People affected by disaster, Number (Not Applicable), per capita in Tonga, 1982 to 2020.
Year units per person Change
1982 1.5 units per person —
1990 0.0311 units per person -97.9%
1997 0.0298 units per person -4.3%
1998 0.0352 units per person +18.2%
2001 0.1597 units per person +353.6%
2004 0 units per person -100.0%
2011 0.0707 units per person —
2014 0.0377 units per person -46.7%
2015 0 units per person -100.0%
2016 0.0037 units per person —
2018 0.8241 units per person +22084.9%
2020 0.2365 units per person -71.3%

Tonga compared with similar countries

  • Tonga's 0.2365 units per person is above the median for upper middle income countries, which is 0.0026 units per person, 92.5× the median. (55 countries reporting)
  • Tonga's 0.2365 units per person is above the median for East Asia & Pacific, which is 0.0144 units per person, 16.4× the median. (28 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1980s 1.5 units per person 1.5 units per person 1.5 units per person 1
1990s 0.032 units per person 0.0298 units per person 0.0352 units per person 3
2000s 0.0799 units per person 0 units per person 0.1597 units per person 2
2010s 0.1872 units per person 0 units per person 0.8241 units per person 5
2020s 0.2365 units per person 0.2365 units per person 0.2365 units per person 1

Countries ranked near Tonga

  1. 17 Bangladesh 0.2849 units per person compare
  2. 18 Mongolia 0.277 units per person compare
  3. 19 Fiji 0.2489 units per person compare
  4. 21 Costa Rica 0.2148 units per person compare
  5. 22 Djibouti 0.169 units per person compare
  6. 23 Saint Vincent and the Grenadines 0.1491 units per person compare

See the full ranking of 178 places →

More climate change data for Tonga

All data for Tonga →

Frequently asked questions

What is people affected by disaster, number (not applicable), per capita in Tonga?
People affected by disaster, number (not applicable), per capita in Tonga was 0.2365 units per person in 2020, according to Statizoid (derived).
What is the highest people affected by disaster, number (not applicable), per capita recorded in Tonga?
The highest recorded value was 1.5 units per person in 1982.
What is the lowest people affected by disaster, number (not applicable), per capita recorded in Tonga?
The lowest recorded value was 0 units per person in 2004.
How does Tonga rank for people affected by disaster, number (not applicable), per capita?
Tonga ranks 20th out of 178 countries with data for 2020.
Is people affected by disaster, number (not applicable), per capita rising or falling in Tonga?
Over the last ten years it is up 234.8%. The long-run trend across the full record is volatile.
Where does this Tonga data come from?
The figures come from Statizoid (derived), published as part of People affected by disaster, Number (Not Applicable), per capita. Statizoid updates them automatically from the source API.

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People affected by disaster, Number (Not Applicable), per capita in Tonga. Statizoid, drawing on Statizoid (derived). Retrieved 15 November 2026, from https://climate.statizoid.com/stat/people-affected-by-disaster-number-not-applicable-per-capita/tonga/

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<a href="https://climate.statizoid.com/stat/people-affected-by-disaster-number-not-applicable-per-capita/tonga/">People affected by disaster, Number (Not Applicable), per capita in Tonga</a> — Statizoid

How this figure is calculated

People affected by disaster, Number (Not Applicable) divided by Population, total, matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.

People affected by disaster, Number (Not Applicable) ÷ Population, total

Computed from

Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.

About this data

Indicator
People affected by disaster, Number (Not Applicable), per capita
Unit
units per person
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
178 places, 4,182 data points, 1980–2025
Last refreshed

People affected by disaster, Number (Not Applicable) divided by Population, total, matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.