Poor sanitation and infant mortality A link still not understood by many | Country | Percentage of population without access to improved water supply | Percentage of population without access to improved sanitation | Estimated annual number of children dying from poor hygiene | Under-five mortality rate (per 1,000 live births) | Afghanistan | 87 | 88 | 48,000 | 257 | Bangladesh | 3 | 52 | 21,000 | 77 | Burkina Faso | 58 | 71 | 19,300 | 197 | Cambodia | 70 | 83 | 10,700 | 138 | Ethiopia | 76 | 88 | 95,500 | 172 | India | 16 | 72 | 519,500 | 93 | Kenya | 43 | 13 | 22,000 | 122 | Laos | 63 | 70 | 1,200 | 100 | Mali | 94 | 31 | 24,100 | 231 | Sierra Leone | 43 | 34 | 15,500 | 316 | Somalia | no data | no data | 14,400 | 225 | South Africa | 14 | 13 | 10,600 | 71 | Zambia | 36 | 22 | 18,400 | 202 | |