Hong Kong has dropped four places to 86th out of 144 countries and territories in the World Happiness Report. The three-yearly study was released on Wednesday to coincide with the UN’s International Day of Happiness. The 2021-23 survey sees Hong Kong sandwiched between Algeria and Albania. Finland came in top, followed by Denmark, Iceland and Sweden. See also: Hong Kong seeks new strategies to stem rise in student suicides For respondents under 30, Hong Kong ranked 97 out of 143 countries for happiness, with Lithuania topping the poll followed by Israel and Serbia. The World Happiness Report i…