What is the world's fastest-growing city by population?

The world's fastest-growing city by population is currently Gaza City, located in the Gaza Strip, a disputed territory on the eastern coast of the Mediterranean Sea. According to the United Nations, the population of Gaza City has grown at an average annual rate of 3.2% over the past decade. Gaza City has a current estimated population of over 630,000 people. Several factors contribute to the rapid population growth in Gaza City, including high fertility rates, urbanization, and immigration.

Other cities that are growing at a rapid pace include Dar es Salaam in Tanzania, which has a population growth rate of around 5.6%, and Kabul in Afghanistan, which has a population growth rate of around 5.5%. Lagos in Nigeria, Kinshasa in the Democratic Republic of the Congo, and Beira in Mozambique are also among the fastest-growing cities in the world.