Hong Kong–United Kingdom relations

Hong Kong–United Kingdom relations are the international relations between the post-colonial Hong Kong and the United Kingdom. Hong Kong was a British colony from 1841 to 1941 and again from 1945 to 1997 when sovereignty was handed over to China. UK policy towards Hong Kong is underpinned by its substantial commercial interests, and fulfilling obligation as the other signatory of Sino–British Joint Declaration on the future of Hong Kong, in addition to support Hong Kong's mini-constitution, the Basic Law, and in accordance with China's policy of observing "one country, two systems". Hong Kong is also home to roughly 2.9 million British nationals, 350,000 of which hold an active British passport, giving it one of the largest populations of British passport holders in the world behind only the Anglosphere Commonwealth realms and the United States.