Ghana is approximately 238,533 sq km, while American Samoa is approximately 224 sq km, making American Samoa 0.09% the size of Ghana. Meanwhile, the population of Ghana is ~29.3 million people (29.3 million fewer people live in American Samoa).
This to-scale map shows a size comparison of Ghana compared to American Samoa. For more details, see an in-depth quality of life comparison of American Samoa vs. Ghana using our country comparison tool.