How Do I Get My Husband to Declutter?

How do you get spouses on board? My husband is convinced that we don't have too much stuff. We just need more bins or a bigger house. So the number one thing that i have to say is, don't feel like you have to convince him before you start de cluttering. Do not start with his stuff. Eh? It is very easy to look at some one else's stuff and see all of the reasons why it makes no sense to have that stuff in your house.