Statizoid

Share of children who have anemia in Tonga

Tonga: Share of children who have anemia was 34.0% in 2019. ▲ Rising

Latest (2019)
34.0%
Change on year
unchanged
World rank
74th
of 190 countries
All-time high
34.0%
in 2008
All-time low
31.3%
in 2000
Years of data
20
2000–2019

Share of children who have anemia in Tonga, 2000–2019

01020302000200920192000: 31.3 % of children under 52001: 31.6 % of children under 52002: 31.9 % of children under 52003: 32.3 % of children under 52004: 32.7 % of children under 52005: 33.2 % of children under 52006: 33.5 % of children under 52007: 33.8 % of children under 52008: 34 % of children under 52009: 34 % of children under 52010: 34 % of children under 52011: 34 % of children under 52012: 34 % of children under 52013: 33.9 % of children under 52014: 33.9 % of children under 52015: 33.9 % of children under 52016: 34 % of children under 52017: 34 % of children under 52018: 34 % of children under 52019: 34 % of children under 5

Source: Global Health Observatory / World Health Statistics - World Health Organization (WHO), via World Bank (2026) – processed by Our World in Data. Measured in % of children under 5.

Analysis

Tonga recorded 34.0% for share of children who have anemia in 2019. That is the highest value across all 20 years on record.

Compared with earlier readings it is unchanged over ten years.

Over the whole period, share of children who have anemia in Tonga peaked at 34.0% in 2008 and was at its lowest, 31.3%, in 2000.

That places Tonga 74th out of 190 countries with data for 2019, putting it in the middle of the range.

The long-run direction has been consistently rising across the 20 years of available data.

Averages by decade

DecadeAverage LowestHighest Years
2000s 32.8% 31.3% 34.0% 10
2010s 34.0% 33.9% 34.0% 10

Countries ranked near Tonga

  1. 71 Micronesia (country) 36.7% compare
  2. 72 Samoa 35.5% compare
  3. 73 Algeria 34.3% compare
  4. 75 Palau 33.5% compare
  5. 76 Kyrgyzstan 33.4% compare
  6. 77 Turkmenistan 33.1% compare

See the full ranking of 190 places →

More reference data data for Tonga

All data for Tonga →

Frequently asked questions

What is share of children who have anemia in Tonga?
Share of children who have anemia in Tonga was 34.0% in 2019, according to Global Health Observatory / World Health Statistics - World Health Organization (WHO), via World Bank (2026) – processed by Our World in Data.
What is the highest share of children who have anemia recorded in Tonga?
The highest recorded value was 34.0% in 2008.
What is the lowest share of children who have anemia recorded in Tonga?
The lowest recorded value was 31.3% in 2000.
How does Tonga rank for share of children who have anemia?
Tonga ranks 74th out of 190 countries with data for 2019.
Is share of children who have anemia rising or falling in Tonga?
Over the last ten years it is unchanged. The long-run trend across the full record is rising.
Where does this Tonga data come from?
The figures come from Global Health Observatory / World Health Statistics - World Health Organization (WHO), via World Bank (2026) – processed by Our World in Data, published as part of Share of children who have anemia. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 20 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Share of children who have anemia
Unit
% of children under 5
Source
Global Health Observatory / World Health Statistics - World Health Organization (WHO), via World Bank (2026) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
190 places, 3,800 data points, 2000–2019
Last refreshed

Share of children under the age of five with anemia. Anemia is a condition that develops when your blood lacks enough healthy red blood cells or hemoglobin.