Population in South Asia (UNICEF Prog.regions) 22 indicators covering population for South Asia (UNICEF Prog.regions). IndicatorLatest Year10-yr change Rank Total population by age 27,961 2100 down 4.1% 21st Total population by age 8,409 2023 up 52.4% 26th Proportion of population using of on-site sanitation facilities with 0.054 2024 down 18.5% 50th Proportion of population using basic sanitation services 23.28 2024 up 35.5% 22nd Proportion of population using safely managed sanitation services 56.81 2024 up 53.8% 22nd Proportion of population using sanitation facilities connected to 5.87 2024 up 71.3% 41st Proportion of population using on-site sanitation facilities with 50.89 2024 up 52.2% 2nd Proportion of population using limited drinking water services 2.51 2024 down 24.5% 40th Proportion of population using improved drinking water sources 97.45 2024 up 5.3% 19th Proportion of population using sanitation facilities connected to 15.75 2024 up 33.3% 36th Proportion of population using unimproved sanitation facilites 3.08 2024 down 56.0% 44th Proportion of population using limited sanitation services 10.58 2024 down 2.6% 30th Proportion of population using at least basic sanitation services 80.09 2024 up 48.0% 29th Proportion of population using improved sanitation facilities 90.67 2024 up 39.6% 27th Proportion of population using improved latrines and other improved 38.75 2024 up 49.3% 5th Proportion of population using sanitation facilities connected to 36.18 2024 up 32.9% 2nd Proportion of population practising open defecation 6.24 2024 down 77.7% 31st Refugees by host country, per 1000 population 1 2025 unchanged 119th Refugees by host country, per 1 USD GNI per capita 1 2025 unchanged 119th New internal displacements 5.19 million 2025 down 37.4% 58th Internally displaced persons 14.00 million 2025 up 271.8% 46th International migrants, by country of destination 12.62 million 2024 up 12.8% 79th