&gt; <i>Note: The total accounts would include the deactivated or deleted accounts as well. So, it may not truly represent the number of active Github users.</i><p>Understatement of the century.<p>Counting on user IDs is an especially bad way of calculating users. I just used BigQuery to check the number of unique users in all of 2014 and there are only 3 million unique accounts who actually did something.