How often does AoT manga come out?

[EZQ]

I'm still reading chapter 53 but i want to know how much i'd have to wait when i finally catch up with it.

 

[AlterEgoErin]

Once a month.

 

[Dr Gilgamesh]

Once a month, first week of the month.

 

[-Punk-]

Once a month, first week of the month.

This here, new chapter should come next week.