Is it convenient to talk at the moment? http://tube8.in.net/ tube8 With singles, though, demographic shifts are also at play, says Greg Blake, executive director at USAA's life insurance company. There are now more single households than married households, and people stay single longer. Single people are also more likely to experience major life events, which often lead to the purchase of life insurance, including having children and buying a home. There's one more factor, too: Single people are often responsible for parents or grandparents, and they want to make sure those dependents will still be cared for.