The 25 worst passwords of 2017 according to SplashData:

123456
password
12345678
qwerty
12345
123456789
letmein
1234567
football
iloveyou
admin
welcome
monkey
login
abc123
starwars
123123
dragon
passw0rd
master
hello
freedom
whatever
qazwsx
trustno1

If you use one of those, well ... you probably shouldn't.