Share of the population with anemia in higher risk groups in Tonga
Tonga: Share of the population with anemia in higher risk groups was 20.7% in 2023. ▲ Rising
Share of the population with anemia in higher risk groups in Tonga, 2000–2023
Source: Global Health Observatory / World Health Statistics - World Health Organization (WHO), via World Bank (2026) – processed by Our World in Data. Measured in % of women ages 15-49.
Analysis
Tonga recorded 20.7% for share of the population with anemia in higher risk groups in 2023. That is the highest value across all 24 years on record.
Compared with earlier readings it is up 3.0% on the previous year and up 15.0% over ten years.
Over the whole period, share of the population with anemia in higher risk groups in Tonga peaked at 20.7% in 2023 and was at its lowest, 17.9%, in 2011.
That places Tonga 138th out of 192 countries with data for 2023, putting it in the middle of the range.
The long-run direction has been consistently rising across the 24 years of available data.
Share of the population with anemia in higher risk groups in Tonga, year by year
| Year | % of women ages 15-49 | Change |
|---|---|---|
| 2000 | 19.1% | — |
| 2001 | 18.8% | -1.6% |
| 2002 | 18.7% | -0.5% |
| 2003 | 18.6% | -0.5% |
| 2004 | 18.5% | -0.5% |
| 2005 | 18.5% | +0.0% |
| 2006 | 18.4% | -0.5% |
| 2007 | 18.3% | -0.5% |
| 2008 | 18.2% | -0.5% |
| 2009 | 18.0% | -1.1% |
| 2010 | 18.0% | +0.0% |
| 2011 | 17.9% | -0.6% |
| 2012 | 17.9% | +0.0% |
| 2013 | 18.0% | +0.6% |
| 2014 | 18.0% | +0.0% |
| 2015 | 18.2% | +1.1% |
| 2016 | 18.3% | +0.5% |
| 2017 | 18.5% | +1.1% |
| 2018 | 18.7% | +1.1% |
| 2019 | 18.9% | +1.1% |
| 2020 | 19.2% | +1.6% |
| 2021 | 19.6% | +2.1% |
| 2022 | 20.1% | +2.6% |
| 2023 | 20.7% | +3.0% |
Tonga compared with similar countries
- Tonga's 20.7% is below the median for upper middle income countries, which is 22.8%, 91% of the median. (58 countries reporting)
- Tonga's 20.7% is below the median for East Asia & Pacific, which is 22.9%, 91% of the median. (30 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 18.5% | 18.0% | 19.1% | 10 |
| 2010s | 18.2% | 17.9% | 18.9% | 10 |
| 2020s | 19.9% | 19.2% | 20.7% | 4 |
Countries ranked near Tonga
More reference data data for Tonga
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.0105 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.0092 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 0.0197 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 0.0197 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.0353 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.0269 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 0.0446 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 0.1068 (2050)
- Emission Totals - Emissions (N2O) - Agricultural Soils 0.0799 (2050)
- Emission Totals - Emissions (CO2eq) from N2O (AR5) - Manure applied 9.35 (2050)
Frequently asked questions
- What is share of the population with anemia in higher risk groups in Tonga?
- Share of the population with anemia in higher risk groups in Tonga was 20.7% in 2023, 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 the population with anemia in higher risk groups recorded in Tonga?
- The highest recorded value was 20.7% in 2023.
- What is the lowest share of the population with anemia in higher risk groups recorded in Tonga?
- The lowest recorded value was 17.9% in 2011.
- How does Tonga rank for share of the population with anemia in higher risk groups?
- Tonga ranks 138th out of 192 countries with data for 2023.
- Is share of the population with anemia in higher risk groups rising or falling in Tonga?
- Over the last ten years it is up 15.0%. 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 the population with anemia in higher risk groups. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 24 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Anemia is a condition that develops when your blood lacks enough healthy red blood cells or hemoglobin.