Philippines is approximately 300,000 sq km, while United Kingdom is approximately 243,610 sq km, making United Kingdom 81.2% the size of Philippines. Meanwhile, the population of Philippines is ~109.2 million people (43.4 million fewer people live in United Kingdom).
This to-scale map shows a size comparison of Philippines compared to United Kingdom. For more details, see an in-depth quality of life comparison of United Kingdom vs. Philippines using our country comparison tool.