Demographics and Population Projections of Japan
INTRODUCTION Japan gets special consideration because it is further along the demographics declining population curve than any other large country. It has the oldest population (highest average age) in the world. Unless there are major changes in healthcare technology, immigration, public policy, and birth rates, most industrialized countries will follow Japan down the path of declining and aging populations, and smaller labor forces. Japan's demographics and immigration have become major political issues. In the July 2025 elections, two right-wing parties made substantial gains against the long-ruling Liberal Democracy Party (LDP). Two of their main issues were the rapid rise of immigration and the repeal of a 10% consumption tax used to pay for the rising costs of supporting the aged. Both parties appealed to young voters. The LDP has nominated a candidate for prime minister who also takes a hard line on immigration. PROJECTIONS Japan’...