Who is really signed up here?
Tantan is a Chinese developed dating app and its headquarters is based in China which can be the reason for having a lot of Chinese-based users. Nonetheless, you can still find a considerably enough number of members from other countries.
The number of male members is almost twice the number of females based on the data available. But since it has a total of more than a million members, finding a woman wouldn't be a big of a problem.
Due to the nature of using gadgets and online access, it is normal to find more members who are middle-aged and are familiar in using online applications and sites.
As for member activity, there will always be someone online anytime of the day. But matches and replies are not guaranteed just like other dating sites.
New members at Tantan in October 2021 in comparison
Here you can see how membership figures at Tantan are developing compared to others