Population is the number of people living in a given area or country. Population can be affected by various factors, such as birth rate, death rate, migration, fertility, life expectancy, and more. Population can also have significant impacts on the environment, economy, society, and culture of a country or region.
According to the United Nations, the world population in 2023 was estimated to be about 7.9 billion people, with an annual growth rate of 0.97%. The world population is projected to reach 8 billion by 2024, and 9.7 billion by 2050. However, the population growth is not evenly distributed across the world, as some regions have higher or lower rates of change than others.
The following is a brief overview of the population of different countries, based on the estimates published by the United Nations in the 2023 revision of World Population Prospects.
– India: India is the most populous country in the world, with an estimated population of 1.43 billion people in 2023. India accounts for about 17.8% of the world population, and has a population density of 481 people per square kilometer. India’s population growth rate is 0.81%, which is lower than the global average, but still adds about 11.5 million people every year. India’s population is expected to surpass China’s by 2027, and reach 1.64 billion by 2050. India’s population is diverse, with many ethnic, linguistic, religious, and cultural groups. India’s median age is 28 years, and its fertility rate is 2.0 children per woman. India’s urban population is 36%, and its net migration rate is -0.3 per 1,000 people.
– China: China is the second most populous country in the world, with an estimated population of 1.43 billion people in 2023. China accounts for about 17.7% of the world population, and has a population density of 152 people per square kilometer. China’s population growth rate is -0.02%, which means that its population is slightly declining, due to its low fertility rate of 1.2 children per woman, and its negative net migration rate of -2.2 per 1,000 people. China’s population is expected to peak at 1.44 billion by 2029, and then decline to 1.32 billion by
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