What iPhone 5 S storage do I get?

I wanna buy an iPhone 5S but I have no clue what 16GB, 32 GB, AND 64GB mean. Is 16 enough? How much photos and apps can that hold? Is 32 the better choice? Or 64? I have no clue what'll happen, I may want to go on instagram and upload pics every day or maybe I want a lot of apps some day. Don't know. I like to think I should go for 64GB just because I've been saving for the phone and a lot of space is what I should get because of that! I think it'd be nice to be like "oh I can get this because I have so much space!" I don't know, everyone give me advice.

I have a 16 gig and have over 1,000 songs, 2200 contacts, at least 50 apps and a huge amount of photos. I don't download movies since they take a lot of space but I do stream them

I have the 16gb and trust me paying more for the extra storage is 100% worth it. I regularly have to delete apps and photos on my phone so the storage isn't always filled and runs slower. I would go with the 32gb, but if you have been saving and want a lot of space then go with 64gb! Either way, don't get the 16gb.

I currently have a 16gb iPhone 5s with 160 songs,190 photos and 42 apps (though most don't take up much, I have a few that take up about 3.5 gigs for the two put together) with still 1 gig left. But it depends which apps your gonna be putting on your phone because each one has a different size.

Get as much as you can afford, and 32 GB at least. The 16 GB phones can fill up really quickly.

16, 32, 64GB is the amount of storage with of course 64GB being the most.

Pics & apps have variable sizes so there's no ___ amount for an answers. 32GB should be a good medium, but at the end of the day it comes down to your use.

I think you should go for 64GB storage phone! Right now I'm using iPhone 5S 32GB and I feel it less. There are only 4 movies in my phone. My whatsapp and camera roll eats up my most of the storage.