Long-term care on Long Island is costly and getting more expensive.

The average bill for a semiprivate room in a nursing home in Nassau and Suffolk is $155,125 a year, up 2.4 percent from last year, according to the annual Cost of Care study by long-term-care insurance provider Genworth. The average cost for a Queens nursing home is $144,540. Nationwide, the average cost is $80,300.

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A private bedroom in an assisted-living center on Long Island costs $67,500 a year, up 3.4 percent from 2013. And costs are getting higher for those who need help aging in their own homes. Genworth says the average hourly rate for a home-health aide in Nassau and Suffolk is $22.50, up from $21 last year.

You can compare rates in states and localities around the country at nwsdy.li/costofcare.