Zambia has a population of 22,021,971 (2025 est.) — growing at 2.51% per year, median age 19.0 years, life expectancy 66.9 years. It is ranked #142 of 195 in the Magna Country Rankings (Power 30.26/100). Full demographics — fertility, urbanization, languages, religions — are on its Magna Factbook country file below.