Chrome extension publisher's user count stats
Here are the user count break down across 113,740 publishers in Chrome Web Store. As you can see of the charts below, the majority of publishers (93.96%) have less than 10K users. Only 254 (0.22%) Chrome extensions have 1M+ active users.
Note that there are a few extensions where the user count stats are hidden. For example, Gmail and Google Play Music. We classify them under the "0 users / hidden user count" category too.