What percentage of the UK population has a parent or grandparent born outside of the UK?

問題： What percentage of the UK population has a parent or grandparent born outside of the UK?

選擇：Around 5%
Around 10%
Around 15%
Around 20%

正確答案：
2

解釋:

Nearly 10% of the population has a parent or grandparent born outside the UK.