How much money does a sponsor need to sponsor a spouse?

In the US, you have to be 125% above the current poverty line. Look at uscis.govhomepage and you will find all the answers to all your immigration questions. In Canada, there is no income requirement. Even if there is no income requirement for you to sponsor your partner/spouse, your application may be refused in case you are on public assistance, or welfare, for other reasons than a disability.