AI Data Insight
According to the latest data, the contribution of "Increase in Public Inventory" to real GDP year-over-year growth in Japan for the fourth quarter of 2025 remained at 0.0%, continuing a long-term flat trend since 1991. In contrast to the significant fluctuations in private inventory and consumption, public reserves (such as oil and rice) had no marginal impact on economic growth, indicating that the government did not intervene in the short-term business cycle by adjusting strategic material stockpiles.