SSI. The SSI program currently pays a maximum benefit of $733 a month if you are single or $1,100 a month for a couple. This is the total amount you are eligible to receive, but it will be reduced by certain other benefits or income you may receive.ocial Security applies a formula to your average lifetime earnings to calculate the amount of your monthly check. The average SSD payment is currently $1,165. The highest dollar amount you can receive from SSD monthly in 2015 is $2,663.