China is approximately 9,596,960 sq km, while Antigua and Barbuda is approximately 443 sq km, making Antigua and Barbuda 0.0% the size of China. Meanwhile, the population of China is ~1.4 billion people (1.4 billion fewer people live in Antigua and Barbuda).
This to-scale map shows a size comparison of China compared to Antigua and Barbuda. For more details, see an in-depth quality of life comparison of Antigua and Barbuda vs. China using our country comparison tool.