The study has been taken down for a long time now but OkCupid found that 80 percent of women went for 20 percent of men whereas men had a relatively normal distribution of women they went for.
This was a long time ago as well and I think the situation has gotten worse in the age of tinder and friends.
"Some of the conclusions aren’t surprising. The “most attractive” women receive five times as many messages as the average female does, with 2/3 of all male messages going to the top 1/3 of women. And women tend to favor the most attractive men, though the ratio is less extreme."
This was a long time ago as well and I think the situation has gotten worse in the age of tinder and friends.
This is a summary of the article: https://techcrunch.com/2009/11/18/okcupid-inbox-attractive/