national interests
Refers to the interests or benefit of a nation as a whole, often used in political or economic contexts.
国利を守るために外交政策を強化する必要がある。
We need to strengthen foreign policy to protect national interests.
national interests and the people's welfare
Compound of 国 (country, nation) and 利 (profit, benefit). The exact historical derivation is uncertain, but the spelling is conventionally associated with the meaning 'national interests'.