Gmail is now a decade old. The email juggernaut, which turns 10 on April 1, grew quickly over the last few years, accruing more than 425 million global active users by 2012.
Google hasn't released any other metrics or data about its user base since then, but 425 million is no small feat. That figure is larger than most country populations, and is nearly double the size of Yahoo Mail, Gmail's top competitor.
[seealso slug="gmail-design-evolution"]
Here are 12 things that are much smaller than Gmail, so you can compare just how large the email service really is.