Type of dance hardly matters. If that’s the purpose I would say tango is easier, as long as the target demographic for the purpose is sufficiently represented.But if you are looking to dance for dating purposes, there are way easier options! I started with Ceroc, and after four group lessons, I could dance at an event. Each lesson was 15 mins of instruction and 45 mins of practice, so that's an hour of tuition and four hours total to go from non-dancer to dancer. The tango investment is ... a little greater.
When people have found dates at social dancing, the skill level has hardly been a factor. Infact I would say it is not a factor that enters the equation.
In my limited experience more dates emerge out of classes that social dance floor.
However tango social dance culture is more conducive for the stated purpose (finding date) than any other social dance. The way milongas are half part social dancing that people take seriously but also half part socializing off the dance floor (often around wine and food), people can and do participate without having any pressure to dance (if they feel their skills aren’t sufficient yet.). So someone looking to milongas to fish for a date, merely being on the social off the dance floor provides larger target area. And if you are dancing - the form of close embrace, able to dance four in a row without anyone trying to ask your partner, three chances for small talk during the tanda, are only add to why milonga may have upper hand. In other social dances, as soon as you finish, someone else is waiting to either ask you or the partner you just danced with. It is hard to have conversation on the side of the floor.
I think I could draw a list of pros and cons for each social dance I have immersed myself in, I can see that tango would have the longest pros for the purpose of finding a date.
Demographics matter. If you are twenty something then bachata sensual is better than tango.
