Тheme 6: Population of the world and its reproduction
Plan:
1. World population
2. Population by region
3. Global demographics
4. Largest populations by country
5. Most densely populated countries
The world population
The world population is the total number of living humans on Earth. As of today, it is estimated to number 7.144 billion by the United States Census Bureau (USCB). The median age was 30.4 years in 2012 and is expected to rise to 37.9 years by 2050.