Social Security payments are primarily distributed according to beneficiaries' birth dates. Photo by Zhang Fengguo / Xinhua via Getty Images Close KEY TAKEAWAYS The Social Security Administration distributes benefits to almost 74 million people each month. Here is when to expect yours in December. Payments are primarily distributed according to beneficiaries' birth dates. However, for those who began receiving retirement, spousal, or survivor benefits before May 1997, they typically receive their payments o ...