Tourists to US would have to reveal five years of social media activity under new Trump plan

Tourists to the United States would have to reveal their social media activity from the last five years, under new Trump administration plans.

The mandatory new disclosures would apply to the 42 countries whose nationals are currently permitted to enter the US without a visa, including longtime US allies Britain, France, Australia, Germany and Japan.

In a notice published on Tuesday, the US Customs and Border Protection agency (CBP) said it would also require any telephone numbers used by visitors over the same period, and any email addresses used in the last decade, as well as face, fingerprint, DNA and iris biometrics. It would also ask for the names, addresses, birthdates and birthplaces of family members, including children.

CBP said the new changes to the Electronic System for