United States is approximately 9,833,517 sq km, while Moldova is approximately 33,851 sq km, making Moldova 0.34% the size of United States. Meanwhile, the population of United States is ~332.6 million people (329.3 million fewer people live in Moldova).
This to-scale map shows a size comparison of United States compared to Moldova. For more details, see an in-depth quality of life comparison of Moldova vs. United States using our country comparison tool.