Cuba is approximately 110,860 sq km, while China is approximately 9,596,960 sq km, making China 8,557% larger than Cuba. Meanwhile, the population of Cuba is ~11.1 million people (1.4 billion more people live in China).
This to-scale map shows a size comparison of Cuba compared to China. For more details, see an in-depth quality of life comparison of China vs. Cuba using our country comparison tool.