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.
You will find more statistics at Statista
As Statista's Martin Armstrong details, at 26.4 percent, over a quarter of Americans are spending their money on trying to find love (or a sexual encounter).
The DMO analysts classified 'dating services' as either 'matchmaking', 'online dating', or 'casual dating'. Making up the top three were the UK and Germany on 20 and 17 percent respectively.