The following demographic statistics are from the CIA World Factbook, unless otherwise indicated. Population 19,642,123 (2022 est.) 16,445,079 (July 2018 est.) Age structure 0-14 years: 45.74% (male 4,005,134/female 3,964,969) 15-24 years: 20.03% (male 1,744,843/female 1,746,561) 25-54 years: 28.96% (male 2,539,697/female 2,506,724) 55-64 years: 3.01% (male 242,993/female 280,804) 65 years and over: 2.27% (male 173,582/female 221,316) (2020 est.) 0-14 years: 45.95% (male 3,796,548 /female 3,759,624) 15-24 years: 20% (male 1,643,364 /female 1,645,713) 25-54 years: 28.79% (male 2,384,765 /female 2,349,877) 55-64 years: 2.95% (male 225,586 /female 260,252) 65 years and over: 2.31% (male 166,224 /female 213,126) (2018 est.) Religions Protestant 75.3%, Roman Catholic 20.2%, other 2.7% (includes Muslim, Buddhist, Hindu, and Baha'i), none 1.8% (2010 est.) Birth rate 34.86 births/1,000 population (2022 est.) Country comparison to the world: 17th 41.1 births/1,000 population (2018 est.) Country comparison to the world: 6th Death rate 6.12 deaths/1,000 population (2022 est.) Country comparison to the world: 152nd 12 deaths/1,000 population (2018 est.) Total fertility rate 4.56 children born/woman (2022 est.) Country comparison to the world: 18th 5.58 children born/woman (2018 est.) Country comparison to the world: 8th Population growth rate 2.9% (2022 est.) Country comparison to the world: 12th 2.91% (2018 est.) Country comparison to the world: 10th Median age total: 16.9 years. Country comparison to the world: 220th male: 16.7 years female: 17 years (2020 est.) total: 16.8 years. Country comparison to the world: 222nd male: 16.7 years female: 16.9 years (2018 est.) total: 17.2 years male: 17.1 years female: 17.3 years (2010 est.) total: 16.5 years male: 16.4 years female: 16.6 years (2002 est.) Mother's mean age at first birth 19.2 years (2018 est.) note: median age at first birth among women 20-49 Net migration rate 0.24 migrant(s)/1,000 population (2022 est.) Country comparison to the world: 77th Contraceptive prevalence rate 49.6% (2018) 49% (2013/14) Dependency ratios total dependency ratio: 91.9 (2015 est.) youth dependency ratio: 87.1 (2015 est.) elderly dependency ratio: 4.8 (2015 est.) potential support ratio: 20.8 (2015 est.) Population distribution one of the highest levels of urbanization in Africa; high density in the central area, particularly around the cities of Lusaka, Ndola, Kitwe, and Mufulira Urbanization urban population: 45.8% of total population (2022) rate of urbanization: 4.15% annual rate of change (2020-25 est.) urban population: 43.5% of total population (2018) rate of urbanization: 4.23% annual rate of change (2015-20 est.) Major infectious diseases degree of risk: very high (2020) food or waterborne