Demographic Shifts and Their Economic Echoes: A Global Perspective (1950–2045) Abstract Demographic trends—birth rates, aging populations, migration, and urbanization—shape economies worldwide, influencing labor markets, consumption, and policy. This post examines these dynamics across nine regions: the USA, India, China, the EU, Japan, Eastern Europe, Africa, ASEAN, and South Korea, from 1950 to 2020, with projections to 2045. The post-World War II baby boom drove growth in developed nations, while high fertility in India and Africa strained resources. Today, aging societies like Japan face fiscal pressures, while youthful populations in Africa and South Asia offer potential—if barriers are addressed. We explore India and China’s unique challenges, assess AI’s role in mitigating demographic shifts, and highlight strategies for resilient economies. Part 1: Historical Demographic Trends (1950–2020) 1.1 Post-War Baby Boom and Economic Surge (1950–1975) The post-World War II era sa...