Fully 45% of Hong Kong's middle-class couples have abandoned the idea of having a child anytime soon, according to a new survey, with the city's high cost of living turning them off parenthood.

According to research commissioned by Citibank, nearly half of married respondents said the statement "Because having a kid is too expensive, my spouse and I have decided against having one/having another" "quite" or "totally" described their situation. Another 29% felt neutral about the statement, while only 26% of married respondents...