TOKYO — Japan’s government on Friday approved a record budget for the next fiscal year, ramping up spending on social welfare as the population ages, and defense to tackle regional threats. The $730 billion budget for the year from April 2025, approved by the Cabinet, includes $55 billion in defense spending. It also includes social security spending of around 38.3 trillion yen — up from 37.7 trillion the previous year. The defense ministry said in a briefing document that Japan was facing its “toughest and most complex security environment” since World War II, repeating a warning from Prime Minister Shigeru