Number of people protected from malaria by indoor residual spraying in Western Pacific (WHO region)
Western Pacific (WHO region): Number of people protected from malaria by indoor residual spraying was 1.09 million in 2021. ▼ Falling
Latest (2021)
1.09 million
Change on year
down 10.6%
Rank
6th
of 6 groups
All-time high
2.13 million
in 2015
All-time low
641,793
in 2017
Years of data
7
2015–2021
Number of people protected from malaria by indoor residual spraying in Western Pacific (WHO region), 2015–2021
Source: World Health Organization, Global Health Observatory.
Analysis
In 2021, number of people protected from malaria by indoor residual spraying in Western Pacific (WHO region) stood at 1.09 million.
The figure is down 10.6% on the previous year and down 48.9% over ten years.
Number of people protected from malaria by indoor residual spraying in Western Pacific (WHO region), year by year
| Year | Value | Change |
|---|---|---|
| 2015 | 2.13 million | — |
| 2016 | 1.46 million | -31.6% |
| 2017 | 641,793 | -56.0% |
| 2018 | 1.34 million | +108.4% |
| 2019 | 1.75 million | +31.2% |
| 2020 | 1.22 million | -30.6% |
| 2021 | 1.09 million | -10.6% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 1.47 million | 641,793 | 2.13 million | 5 |
| 2020s | 1.15 million | 1.09 million | 1.22 million | 2 |
Countries ranked near Western Pacific (WHO region)
More health data for Western Pacific (WHO region)
- Measles - number of reported cases, gaps filled 78,782 (2025)
- Diphtheria - number of reported cases, gaps filled 428 (2025)
- Total tetanus - number of reported cases, gaps filled 5,464 (2025)
- Pertussis - number of reported cases, gaps filled 159,013 (2025)
- Neonatal tetanus - number of reported cases, gaps filled 214 (2025)
- Number of under-five deaths, annual growth rate -5.73 % change on previous year (2024)
- Number of infant deaths, annual growth rate -4.75 % change on previous year (2024)
- Number of neonatal deaths, annual growth rate -4.28 % change on previous year (2024)
- Measles - number of reported cases, annual growth rate 228.55 % change on previous year (2025)
- Pertussis - number of reported cases, annual growth rate -73.21 % change on previous year (2025)
Frequently asked questions
- What is number of people protected from malaria by indoor residual spraying in Western Pacific (WHO region)?
- Number of people protected from malaria by indoor residual spraying in Western Pacific (WHO region) was 1.09 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 Western Pacific (WHO region)?
- The highest recorded value was 2.13 million in 2015.
- What is the lowest number of people protected from malaria by indoor residual spraying recorded in Western Pacific (WHO region)?
- The lowest recorded value was 641,793 in 2017.
- How does Western Pacific (WHO region) rank for number of people protected from malaria by indoor residual spraying?
- Western Pacific (WHO region) ranks 6th out of 6 groups with data for 2021.
- Is number of people protected from malaria by indoor residual spraying rising or falling in Western Pacific (WHO region)?
- Over the last ten years it is down 48.9%. The long-run trend across the full record is falling.
- Where does this Western Pacific (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).