Israel is approximately 21,937 sq km, while United Kingdom is approximately 243,610 sq km, making United Kingdom 1,010% larger than Israel. Meanwhile, the population of Israel is ~8.7 million people (57.1 million more people live in United Kingdom).
This to-scale map shows a size comparison of Israel compared to United Kingdom. For more details, see an in-depth quality of life comparison of United Kingdom vs. Israel using our country comparison tool.