The United Nations projects that in 75 years, Bulgaria ’s population will shrink to around 3.5 million people, according to the “World Population Prospects 2024: Summary of Results” report from the UN Department of Economic and Social Affairs. Globally, the population is expected to continue rising over the next half-century, reaching a peak of approximately 10.3 billion in the mid-2080s, up from 8.2 billion in 2024, before gradually declining to around 10.2 billion by the end of the century.