Which country have a best air force in Asia?

Answer 1

In terms of technology: People's Republic of China

Notes:

1) Israel, Japan, and South Korea largely purchase or receive aircraft technology from the United States.

2) United Kingdom, Canada, Australia, Italy, Netherlands, Denmark, Norway, Turkey, and Republic of China (Taiwan), largely purchase military aircrafts from the United States.

2) France largely ceased military aircraft research and expansion.

3) Pakistan largely purchases military aircrafts and less sophisticated aircraft technology from Russia.

4) Technology is measured by stealth fighter and bomber capability.