Cost of the five other measures each year, $bn
Values estimated by Health Policy Watch from WHO’s Fig. 94, to within about $0.1bn. Yearly values as plotted by WHO; they are not directly comparable with the report’s annual averages.
Source: WHO, Global benefits and costs of prioritized actions on climate change and health (2026); 2024 US$
| Year | Drinking water | Clean cooking | Handwashing | Sanitation | Heat-health warnings |
|---|---|---|---|---|---|
| 2024 | $2.0bn | $3.1bn | $0.9bn | $0.6bn | $0.3bn |
| 2025 | $4.0bn | $3.1bn | $1.6bn | $1.2bn | $0.3bn |
| 2026 | $6.0bn | $3.1bn | $2.4bn | $1.9bn | $0.3bn |
| 2027 | $7.7bn | $3.1bn | $3.1bn | $2.6bn | $0.3bn |
| 2028 | $9.7bn | $3.1bn | $3.8bn | $3.1bn | $0.3bn |
| 2029 | $11.4bn | $3.1bn | $4.4bn | $3.6bn | $0.2bn |
| 2030 | $13.1bn | $3.1bn | $5.0bn | $4.3bn | $0.2bn |
| 2031 | $12.8bn | $3.1bn | $4.9bn | $4.2bn | $0.2bn |
| 2032 | $12.6bn | $3.1bn | $4.8bn | $4.2bn | $0.2bn |
| 2033 | $12.6bn | $3.1bn | $4.7bn | $4.1bn | $0.2bn |
| 2034 | $12.4bn | $3.1bn | $4.5bn | $4.1bn | $0.2bn |
| 2035 | $12.2bn | $3.1bn | $4.4bn | $4.1bn | $0.1bn |
| 2036 | $11.9bn | $3.1bn | $4.3bn | $4.1bn | $0.2bn |
| 2037 | $11.7bn | $3.1bn | $4.2bn | $4.1bn | $0.2bn |
| 2038 | $11.7bn | $3.1bn | $4.1bn | $4.0bn | $0.1bn |
| 2039 | $11.4bn | $3.1bn | $4.0bn | $4.0bn | $0.2bn |
| 2040 | $11.2bn | $3.1bn | $3.9bn | $3.9bn | $0.2bn |
| 2041 | $11.0bn | $3.1bn | $3.8bn | $3.9bn | $0.2bn |
| 2042 | $10.8bn | $3.1bn | $3.8bn | $3.8bn | $0.1bn |
| 2043 | $10.8bn | $3.1bn | $3.6bn | $3.8bn | $0.1bn |
| 2044 | $10.6bn | $3.1bn | $3.5bn | $3.8bn | $0.1bn |
| 2045 | $10.4bn | $3.1bn | $3.5bn | $3.7bn | $0.1bn |
| 2046 | $10.2bn | $3.1bn | $3.4bn | $3.7bn | $0.1bn |
| 2047 | $9.9bn | $3.1bn | $3.3bn | $3.6bn | $0.1bn |
| 2048 | $9.9bn | $3.1bn | $3.2bn | $3.6bn | $0.1bn |
| 2049 | $9.7bn | $3.1bn | $3.1bn | $3.6bn | $0.1bn |
| 2050 | $9.5bn | $3.1bn | $3.0bn | $3.5bn | $0.1bn |
| 2051 | $9.4bn | $3.1bn | $3.0bn | $3.4bn | $0.1bn |
| 2052 | $9.2bn | $3.1bn | $2.8bn | $3.4bn | $0.1bn |
| 2053 | $9.0bn | $3.1bn | $2.8bn | $3.4bn | $0.1bn |
| 2054 | $8.8bn | $3.1bn | $2.7bn | $3.3bn | $0.1bn |