Today more than 1 in every 3 baby boomers — that huge glut of people born between 1948 and 1964 — is unmarried. And those unmarried boomers are disproportionately women. As this vast generation rushes into retirement, there’s a growing concern among experts on aging: Who will take care of all these people when they’re too old to care for themselves?

It’s a question many of the experts take personally. “That is what scares me,” says Sara Rix, who works for the AARP Public Policy Institute, studying the economic prospects of women in the workforce. “Because I am one of those people,” she says, “and I do think about it.”

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