United Kingdom is approximately 243,610 sq km, while Namibia is approximately 824,292 sq km, making Namibia 238% larger than United Kingdom. Meanwhile, the population of United Kingdom is ~65.8 million people (63.1 million fewer people live in Namibia).
This to-scale map shows a size comparison of United Kingdom compared to Namibia. For more details, see an in-depth quality of life comparison of Namibia vs. United Kingdom using our country comparison tool.