Did anyone else have more chores than their siblings?

I'm 21 and currently live with my parents. I have 24 year old brother who lives at home too. I go to school full-time, I will be graduating next year in the spring. However my brother isn't in school and he's not working either. He sits around the house playing video games all day. When my parents are at work and we're both at home, they ask me to do everything in the house.