publishes population estimates using data from national censuses and specialized population surveys. We examined the cities that are projected to most rapidly grow in size over the next 15 years among urban areas that had at least 300,000 residents as of 2018 based on the UN's projections of 2020 and 2035 city populations.15. Lilongwe, Malawi, has an estimated 2020 population of 1,122,000 and is projected to grow by 97% to 2,210,000 in 2035.14.
Tete, Mozambique, has an estimated 2020 population of 371,000 and is projected to grow by 101% to 744,000 in 2035.9. Niamey, Niger, has an estimated 2020 population of 1,292,000 and is projected to grow by 101% to 2,600,000 in 2035.8. Bunia, Congo, has an estimated 2020 population of 679,000 and is projected to grow by 101% to 1,368,000 in 2035.7. Gwagwalada, Nigeria, has an estimated 2020 population of 410,000 and is projected to grow by 102% to 827,000 in 2035.6.