United Kingdom is approximately 243,610 sq km, while Moldova is approximately 33,851 sq km, making Moldova 13.9% the size of United Kingdom. Meanwhile, the population of United Kingdom is ~65.8 million people (62.4 million fewer people live in Moldova).
This to-scale map shows a size comparison of United Kingdom compared to Moldova. For more details, see an in-depth quality of life comparison of Moldova vs. United Kingdom using our country comparison tool.