World population

Fertility rates tend to decline with economic development, as housing costs soar and the cost of education increases as more people receive higher education.

“In East Asia, the transition appears to have ended and the birthrate is declining.” A total fertility rate of around 2.1 is considered necessary to maintain a population size, but the global average, which was 2.3 in 2021, will drop to 2.1 by 2050. “Societies tend to shift to having fewer children following a decline in infant mortality due to the development of medical technologies,” said Keio University Prof. Fertility rates tend to decline with economic development, as housing costs soar and the cost of education increases as more people receive higher education. report on world population estimates, reaching approximately 8.5 billion in 2030, 9.7 billion in 2050 and 10.4 billion in 2100. Growth will continue, according to the U.N.