By 2050, the population of the U.S. will increase by 23 percent, to 398 million, but it will remain third in the world. By 2050, Nigeria and the U.S. will have the same projected population.

By 2050, after India and China, Nigeria is expected to become the world’s third most populous nation, followed by the United States, Pakistan, Indonesia, Brazil, the Democratic Republic of the ...

From 1950 to 2010, the world population increased from 2.5 billion to 6.9 billion, or by 174%. The average annual rate of growth—1.7%—was much higher than in the U.S. In the future, the global ...

World population is expected to reach 9.2 billion by 2050 according to a new study by the United Nations. Virtually all growth will occur in developing countries, with their population growing ...

Why World population will likely be higher than 9.75 billion in 2050. 1. The UN has been revising its population projections higher for the last 15-20 years. They have kept expecting the birthrate in ...

By 2050, there will be 4.6 centenarians per 10,000 people in China, 13 times today’s very small share. In Japan and Italy, the proportion of centenarians to the total population will increase ninefold ...

Half of the increase in population up to 2050 will take place in the following eight countries, the U.N. says: Congo, Egypt, Ethiopia, India, Nigeria, Pakistan, the Philippines and Tanzania.

The world’s population reached 8bn people on Tuesday and will hit 9bn in 15 years as it experiences an unprecedented surge in the number of older people, according to the latest UN data.

By 2050, that number will nearly double, rising to one in six, according to the United Nations. The World Health Organization has said the number of people 60 or older will more than double from ...