Delaying SS past 70

[sanfanciscotreat]

If a person who reaches 70 in October waits until January to claim SS benefits, will he/she receive retroactive benefits for those three months?

 

[Running_Man]

If a person who reaches 70 in October waits until January to claim SS benefits, will he/she receive retroactive benefits for those three months?

I believe once you are past full retirement age you can backfile for up to 6 months of benefits