national power; national strength
Refers to a country's overall power, including economic, military, and political influence.
その国の国力は近年急速に伸びている。
That country's national power has been growing rapidly in recent years.
Differences in national strength often determine the outcome of wars.
This country strengthened its national power through economic reforms.
Due to the prolonged war, the country's national power declined.
The government is trying to build up military equipment commensurate with its national power.
GDP is one of the indicators used to measure national power.