1,012 in Sweden. Population According to the 2012 census, the total population was 44,928,923 compared to 12,313,469 in 1967, resulting in an annual growth rate of 2.9 percent. The under 15 age group represented 44.1 percent of the population, with 35.5 percent being in the 15–35 age group, 52.2 percent being in the 15–64 age group, and 3.8 percent being older than 64. According to the 2012 revision of the World Population Prospects, children below the age of 15 constituted 44.8 percent of the total population, with 52.0 percent aged 15–64 and 3.1 percent aged 65 or older. Structure of the population Structure of the population (01.07.2013) (Estimates): Population Estimates by Sex and Age Group (01.VII.2020): Vital statistics The Tanzanian Demographic and Health Survey 2010 estimated that the infant mortality rate for 2005–10 was 51. Registration of other vital events in Tanzania is not complete. The Population Department of the United Nations prepared the following estimates. Life expectancy Population numbers Source: Fertility and Births (Demographic and Health Surveys) Total Fertility Rate (TFR) (Wanted Fertility Rate) and Crude Birth Rate (CBR): Total fertility rate in Tanzania Fertility rates are estimated by Surveys (TDHS) and Census in different times. TDHS surveys estimated these fertility rates :6.3 (1991–92), 5.8 (1996), 5.7 (2004–05), 5.4 (2010) and 2002 Census said 6.3 Other demographic statistics The following demographic statistics of Tanzania in 2022 are from the World Population Review. One birth every 14 seconds One death every 1 minutes One net migrant every 13 minutes Net gain of one person every 18 seconds The following demographic statistics are from the CIA World Factbook, unless otherwise indicated. Population 63,852,892 (2022 est.) 55,451,343 (July 2018 est.) 48,261,942 (July 2013 est.) Religions Christian 63.1%, Muslim 34.1%, folk religion 1.1%, Buddhist <1%, Hindu <1%, Jewish <1%, other <1%, unspecified 1.6% (2020 est.) note: Zanzibar is almost entirely Muslim Age structure 0-14 years: 42.7% (male 12,632,772/female 12,369,115) 15-24 years: 20.39% (male 5,988,208/female 5,948,134) 25-54 years: 30.31% (male 8,903,629/female 8,844,180) 55-64 years: 3.52% (male 954,251/female 1,107,717) 65 years and over: 3.08% (male 747,934/female 1,056,905) (2020 est.) 0-14 years: 43.4% (male 12,159,482 /female 11,908,654) 15-24 years: 20.03% (male 5,561,922 /female 5,543,788) 25-54 years: 30.02% (male 8,361,460 /female 8,284,229) 55-64 years: 3.51% (male 872,601 /female 1,074,480) 65 years and over: 3.04% (male 706,633 /female 978,094) (2018 est.) Median age total: 18.2 years. Country comparison to the world: 212nd male: 17.9 years female: 18.4 years