My son is 9 and his are:

Help empty/sack dishwasher everyday
Empty rubbish bin
keep his room tidy (well at least let me see some form of carpet!)

These are his only regular chores but he does others to help out when needed. He does receive $5.00 per week pocket money which gets deducted with bad attitude etc.

Due to his bad attitude of late, he is currently in debt of over a million! lol