Sri Lanka, April 3 -- Google says it will publish users' location data around the world from Friday to allow governments to gauge the effectiveness of social distancing measures, brought in to stem the COVID-19 pandemic.

The reports on users' movements in 131 countries will be made available on a special website and will "chart movement trends over time by geography", according to a post on one of Google's blogs.

Trends will display "a percentage point increase or decrease in visits" to locations like parks, shops, homes and places of work, not "the absolute number of visits," said the post, signed by Jen Fitzpatrick, who leads Google Maps, and the company's chief health officer Karen DeSalvo.

For example, in France, visits to restaurant...