picard thinking

Highly doubt it

if it actually gets popular, look at sites with hundreds of millions of users that still have tons of available usernames

Yeah, like Youtube. People can be endlessly creative with their usernames, especially since such things aren't limited by the language and/or characters that you use to make them.

hahaha no probably not

I don't think that the current user-base is large enough for that, especially since many, if not most, memes that are made using this site are made by people who don't even have accounts. Furthermore, a lot of people leave, change their usernames, have similar or same usernames, and/or are very creative when making their usernames, especially since the only limits to usernames are that you can't put spaces in them and that they can't be too long.

I'm no math wiz or data scientist. Here's my take though.

If the maximum allowable length for an Imgflip username is 32 characters and you only consider usernames that long, it's something like 39^32 possible usernames. Add in all the possible usernames that are 31 characters long, 30 characters long, etc.

That's a pretty big number.

Imgflip has been around for about 10 years. Presuming the current username rule (only a-z, 0-9, dot, dash, and underscore), if usernames were limited to a length of 4 characters, and Imgflip assigned available usernames to new users, we would have run out by now. If usernames were limited to a length of 5 characters and Imgflip assigned available usernames to new users, at the current rate of consumption there would still be many decades worth of possible usernames remaining.

yes. but you will not have to worried about that. Vsauce made a video about it. I would highly recommend

nah

yeah, would imgflip run out of usernames?