Japan’s population drops 2.5%, losing 3 million inhabitants in five years, census reveals

Japão recorded a record population drop of 2.5% in the last five years, according to preliminary census data released this Friday (29). The Asian country had 123 million inhabitants in 2025, a decrease of more than 3 million compared to the previous survey, carried out in 2020. Esta reduction accentuates an already worrying demographic trend in the fourth largest economy in the world.

The confirmation of the population decline by government spokesperson Minoru Kihara underlines the seriousness of the situation. Japão has one of the lowest global birth rates and a rapidly aging population, factors driving this demographic contraction. Essas demographic characteristics pose significant challenges to the country’s social and economic structure, requiring continued attention from authorities.

Censo of 2025 confirms demographic reduction

Data revealed by the 2025 census showed that the Japanese population decreased to 123 million people. Este number contrasts with the 126 million recorded in the 2020 survey. The difference of 3 million inhabitants represents the largest drop ever observed in a period of five years in the demographic history of Japão.

The 2.5% decrease in the population reflects a persistent scenario of contraction. Government spokesperson Minoru Kihara stated that the data “confirmed once again that the population decline in our country is worsening”, highlighting the need for effective action. Analistas demographics point to the country’s current age structure as one of the main vectors for maintaining this trend.

Desafios of low birth rate and aging

Japão faces one of the lowest birth rates in the world, a crucial factor in population decline. In 2025, the number of births in the country fell for the 10th consecutive year, reaching a total of 705,809 babies. Este data demonstrates the persistence of a problem that has deep roots in Japanese society.

The Japanese population is in an accelerated aging process. The proportion of elderly people is continually growing, while the young age group is decreasing. Essa dynamics generate pressure on pension systems, health and the labor market. The sustainability of these structures becomes a central point in discussions about the nation’s demographic future.

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Imigração and government policies under debate

The issue of immigration often arises as a possible solution to Japan’s demographic slowdown. Contudo, Prime Minister Sanae Takaichi advocates stricter measures against the presence of foreigners in the country, indicating a cautious approach towards this strategy. The internal debate about opening up to immigrants remains intense.

In contrast, central and local governments have implemented several initiatives to encourage marriage and motherhood, although with limited success to date. Essas actions aim to reverse the downward trend in birth rates, addressing cultural and economic aspects that impact the decision to have children. Entre the measures adopted, the following stand out:

• Lançamento from official dating apps.
• Aumento of child-rearing allowances.
• Concessão of benefits during parental leave.

The effectiveness of these policies is still being evaluated. The complexity of the scenario requires a constant review of government strategies to deal with the demographic crisis. The need to adapt social and economic infrastructure for a smaller and aging population remains one of the main challenges for Japão in the coming decades.