There are two kinds type jokes

There are two kinds of people in the world: Those who think there are two kinds of people in the world and those who don’t. (Plus some others who aren't sure.)
There are three kinds of people in the world: Those who can count and those who can’t.
There are 10 kinds of people in the world: Those who understand binary and those who don’t.
There are two kinds of people in the world: Those who can extract from incomplete data.
There are two kinds of people in the world: Those who are nice to other people, and go away, I hate you.
There are two kinds of people in the world: Those who are on my side or those who are in my way.
There are basically two kinds of people. People who accomplish things, and people who claim to have accomplished things. The first group is less crowded. (Mark Twain)
There are two kinds of people in the world: those who constantly divide the people of the world into two classes, and those who do not. (Robert Benchley).There are two kinds of people in the world: Those who like to repeat themselves and those who like to repeat themselves.
There are two kinds of people in the world: those with good memories and ... what was the other thing?
There are two kinds of people in the world: those who write without typos and those who wrot wit ptyos