If you are interested in the numbers and statistics behind the steemit.com website, you might wanna know, that there are over 131'000 created accounts and most of them are on the low level "newbie". You can all numbers of users with different levels and even the high level and what a high level means.
There are a few more stats available such as the activity of the steemit users. You can find more about activity of users, number of users, mining and distribution by checking out the website steemd.com