Make your kid to own responsibility as it is a great way of learning. So, it is never too late or early to start this. Once given responsibilities to take care off, your child will develop a sense of responsibility, and it becomes a part of his personality.
What you need to know:
Responsibilities for your child is not big or small. It is just a way of making him understand certain things in life. Make your child understand the fact that responsibilities are only given to people who behave in a certain way and are grown up and mature. Such words automatically instills a sense of responsibility in your child. Give him small task at hand. Eg. Clean the table after dinner every day after dinner. Or Sunday laundry is your responsibility. Help your child in completing his task. Your support is always important. Appreciate his effort and encourage him to keep up with a good work. Providing pure feedback and encouraging him for the job well done is a good way of motivating him to continue doing it. Even if he has not done a task properly, let him know about it so that he is aware of what is incorrect and how he have to redo or do better the next time.