Located on the Address category tab in Search Builder this Condition lets you can find people based on a the Country associated with their Preferred Address. Note the Comparisons below. You can use ‘Starts With’ to find a country based on the first digits in the name, such as united. You can also search by part of the country: Contains gambia - to find everyone with that word in their address.
Any address that have not been validated, will not have a country associated with them.