比利时2025年的总借款需求增加78.3亿欧元，达到525.2亿欧元，借款需求增加原因之一是国防支出上升。

Core Insights - Belgium's total borrowing requirement for 2025 has increased by €7.83 billion, reaching €52.52 billion, with one of the reasons for this increase being the rise in defense spending [1] Group 1 - The total borrowing requirement for Belgium in 2025 is €52.52 billion [1] - The increase in borrowing needs is attributed to rising defense expenditures [1] - The increase in borrowing requirement amounts to €7.83 billion compared to previous estimates [1]