2020 world population

2020 World Population Data Sheet 91 countries and territories have total fertility rates below replacement level (2.1), including Brazil, China, and the United States In 24 sub-Saharan African countries, >50% of married women ages 15-49 with a need for family planning are not using modern methods High-income countries have an infant mortality rate of 5, whereas low-income countries have an infant mortality rate of 50 At 84%, South America has the highest regional percent of the population living in urban areas The life expectancy at birth for females in Southern Europe and Western Europe is 84—highest of any region in the world By 2050, Angola, Benin, and Niger are expected to see their population increase by 150% or more At 3%, sub-Saharan Africa has the smallest share of the population ages 65+ than any other region 38 countries and territories are projected to have a smaller population in 2050 than in 2020, including Armenia The World Population Data Sheet, produced by PRB annually since 1962, is both a reference document and an educational tool With two dozen CRITICAL POPULATION, HEALTH, AND ENVIRONMENT indicators carefully researched, developed, and vetted by PRB demographers and analysts for more than 200 countries and territories, it provides a snapshot of the demographic trends reshaping our world today and previews what we can expect in the future WORLD POPULATION 2.3 GLOBAL BILLION 7.8 TOTAL FERTILITY RATE TABLE OF CONTENTS Demographic Trends May Make Us Vulnerable to Pandemics Data Table World Africa Northern / Western Eastern / Middle / Southern Americas Northern / Central / Caribbean South 11 Asia Western / Central South / Southeast / East 12 14 Europe Northern / Western / Eastern Southern Oceania Notes, Definitions, and Sources 16 18 19 21 Demographic Trends May Make Us Vulnerable to Pandemics Many factors contribute to our vulnerability to a pandemic, including population density in urban areas, household size, and population aging Twenty-six countries and territories have ≥40% of their populations living in cities of million or more They may URBANIexperience more difficulties curbing the spread of infectious ZATION diseases like COVID-19 because of the concentration of people in large cities, often resulting in high population density Many large cities in low- and middle-income countries also have informal settlements that are densely populated with limited access to safe water and sanitation, making preventive measures such as hand washing, social distancing, and self-quarantine often impossible Average household size varies substantially around the world, with Western Africa HOUSEHOLD and Middle Africa having the largest SIZE average household size at 5.1 Large household size and multigenerational living may influence people’s ability to limit exposure to the coronavirus at home For example, older generations may be exposed to young, infected household members who are not currently showing symptoms Older populations are at high risk for AGING becoming seriously POPULATIONS ill with COVID-19 The share of the population ages 65+ is 20% or higher in 21 countries and territories 1% 29% Percent of population ages 65+ No data | 2020 World Population Data Sheet Country with 20+% of its population ages 65+ WORLD of Population (%) mid-2020 Population (millions) Population (millions) mid-2020 Births per 1,000 Population mid-2035 7,773 19 1.1 8,937 MORE DEVELOPED 1,272 10 10 0.0 LESS DEVELOPED 6,501 20 1.4 LESS DEVELOPED (Excluding China) 5,091 23 LEAST DEVELOPED 1,062 33 HIGH INCOME 1,219 10 MIDDLE INCOME 5,805 UPPER MIDDLE INCOME LOWER MIDDLE INCOME WORLD LOW INCOME Deaths Rate of per 1,000 Natural Population Increase (%) Net Migration Rate mid-2050 Total Fertility Rateb Ages