NHK has learned Japan's government and the Imperial Household Agency are making arrangements for Crown Prince and Princess Akishino to attend the coronation ceremony for Britain's King Charles III in May.
Officials of the Tokyo Metropolitan Government are planning to install shutters and gates at subway station entrances to keep flood water from flowing into tunnels.
Japan's Finance Ministry says the country's workers and companies are expected to spend 47.5 percent of their income on taxes and social security in the current fiscal year.
Japanese officials say unidentified flying objects spotted in the country's airspace in recent years are strongly suspected to have been Chinese spy balloons.