What countries in the british isles has highest population?

The British Isles consist of several countries, with varying population sizes. Below is a list of the countries within the British Isles, ranked by their estimated population as of 2021:

1. England: Approximately 56.4 million

2. Scotland: Approximately 5.46 million

3. Wales: Approximately 3.11 million

4. Northern Ireland: Approximately 1.89 million

As you can see, England has the highest population among the countries within the British Isles, followed by Scotland, Wales, and Northern Ireland.