United Kingdom is approximately 243,610 sq km, while Lesotho is approximately 30,355 sq km, making Lesotho 12.46% the size of United Kingdom. Meanwhile, the population of United Kingdom is ~65.8 million people (63.8 million fewer people live in Lesotho).
This to-scale map shows a size comparison of United Kingdom compared to Lesotho. For more details, see an in-depth quality of life comparison of Lesotho vs. United Kingdom using our country comparison tool.