Number of people protected from malaria by indoor residual spraying in South-East Asia (WHO region)
South-East Asia (WHO region): Number of people protected from malaria by indoor residual spraying was 16.69 million in 2021. ▼ Falling
Latest (2021)
16.69 million
Change on year
down 33.0%
Rank
3rd
of 6 groups
All-time high
45.44 million
in 2016
All-time low
16.69 million
in 2021
Years of data
7
2015–2021
Number of people protected from malaria by indoor residual spraying in South-East Asia (WHO region), 2015–2021
Source: World Health Organization, Global Health Observatory.
Analysis
The most recent figure for number of people protected from malaria by indoor residual spraying in South-East Asia (WHO region) is 16.69 million, measured in 2021. That is the lowest value across all 7 years on record.
Compared with earlier readings it is down 33.0% on the previous year and down 62.1% over ten years.
Number of people protected from malaria by indoor residual spraying in South-East Asia (WHO region), year by year
| Year | Value | Change |
|---|---|---|
| 2015 | 44.02 million | — |
| 2016 | 45.44 million | +3.2% |
| 2017 | 41.17 million | -9.4% |
| 2018 | 35.48 million | -13.8% |
| 2019 | 31.68 million | -10.7% |
| 2020 | 24.91 million | -21.4% |
| 2021 | 16.69 million | -33.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 39.56 million | 31.68 million | 45.44 million | 5 |
| 2020s | 20.80 million | 16.69 million | 24.91 million | 2 |
Countries ranked near South-East Asia (WHO region)
More health data for South-East Asia (WHO region)
- Measles - number of reported cases, gaps filled 19,075 (2025)
- Diphtheria - number of reported cases, gaps filled 3,416 (2025)
- Total tetanus - number of reported cases, gaps filled 164 (2025)
- Pertussis - number of reported cases, gaps filled 2,449 (2025)
- Neonatal tetanus - number of reported cases, gaps filled 84 (2025)
- Number of under-five deaths, annual growth rate -4.64 % change on previous year (2024)
- Number of infant deaths, annual growth rate -4.21 % change on previous year (2024)
- Number of neonatal deaths, annual growth rate -4.57 % change on previous year (2024)
- Measles - number of reported cases, annual growth rate -30.44 % change on previous year (2025)
- Pertussis - number of reported cases, annual growth rate -67.98 % change on previous year (2025)
Frequently asked questions
- What is number of people protected from malaria by indoor residual spraying in South-East Asia (WHO region)?
- Number of people protected from malaria by indoor residual spraying in South-East Asia (WHO region) was 16.69 million in 2021, according to World Health Organization, Global Health Observatory.
- What is the highest number of people protected from malaria by indoor residual spraying recorded in South-East Asia (WHO region)?
- The highest recorded value was 45.44 million in 2016.
- What is the lowest number of people protected from malaria by indoor residual spraying recorded in South-East Asia (WHO region)?
- The lowest recorded value was 16.69 million in 2021.
- How does South-East Asia (WHO region) rank for number of people protected from malaria by indoor residual spraying?
- South-East Asia (WHO region) ranks 3rd out of 6 groups with data for 2021.
- Is number of people protected from malaria by indoor residual spraying rising or falling in South-East Asia (WHO region)?
- Over the last ten years it is down 62.1%. The long-run trend across the full record is falling.
- Where does this South-East Asia (WHO region) data come from?
- The figures come from World Health Organization, Global Health Observatory, published as part of Number of people protected from malaria by indoor residual spraying (IRS). Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 7 observations, free to reuse under CC BY-NC-SA 3.0 IGO (WHO).