Hong Kong has been excluded from the Heritage Foundation's Index of Economic Freedom because its economic policies are controlled from Beijing, the Washington-based think tank said, removing Hong Kong from a list it topped for 25 years up to 2019.

The title of the world's freest economy for 2021 was retained by Singapore for the second year, the Heritage Foundation said, with Hong Kong's investment freedom hurt by political and social unrest dating back to 2019...