How’s 75 sound for a retirement age? Too far away? That could be the reality for today’s college graduates, according to NerdWallet research released today. The study looked at how rising student loan debt and higher rents are squeezing 2015 graduates. Those costs have risen 19% and 11%, respectively, since NerdWallet last looked at millennials and retirement. The previous study, published in 2013, projected a retirement age of 73 for that year’s grads.