That should give you some idea of their membership base.features promotional offers from time to time Signing up initially is aways free and they offer a seven day premium membership trial.
JDate is one of the largest Jewish dating web sites online. When we last checked they had over 20,000 members online and this was at 10 am (PST) in the morning.
JDate adds over 500,000 members to their site each month.
When you sign up initially with Millionaire you're asked to select your user id, enter your email address, country, state, zip etc. You can choose not to mention your income as long as you're a millionaire.
You need to specify your gender and mention the gender you're looking for.
This means that if you're from USA, there are lots of people from your area, probably.