According to the Digital Market Outlook (DMO) by Statista, the country with the largest share of adults paying for a dating service is the United States. At 26.4 percent, over a quarter of Americans are spending their money on trying to find love (or a sexual encounter) online. The DMO analysts classified ‘dating services’ as either ‘matchmaking’, ‘online dating’, or ‘casual dating’.
Making up the top three were the UK and Germany with 20.8 and 17 percent respectively. This chart shows the share of the adult population that are active paying customers of a dating service in 2017, by country.
Source: The Statistics Portal