Population of Kyushu, Japan (2021)

Kyushu, Japan's third-largest island, had a population of approximately 14.6 million in 2021.

It comprises seven prefectures:

• Fukuoka (~5.1M, largest)
• Kagoshima (~1.6M)
• Kumamoto (~1.7M)
• Nagasaki (~1.3M)
• Oita (~1.1M)
• Miyazaki (~1.0M)
• Saga (~800K)

Fukuoka City alone exceeds 1.5 million. Kyushu accounts for ~11% of Japan's total population.