How to Protect Your Retirement When A Child Moves Back Home

Living in a multigenerational household has become a common scenario for many families due to the high cost of living and rising home prices. While young adults may find solace in living with their parents to navigate financial uncertainties, retirees may have concerns about the impact on their savings and monthly budgets when adult children move back in. Here are some tips on how to support your adult kids while safeguarding your nest egg.

Why adult children are moving back home

The challenges of high living costs, student debt, and a competitive job market make it difficult for young adults to live independently. According to Pew Research, 18% of adults aged 25 to 34 were living in their parent’s home in 2023, with young men more likely than young women to do so. While this living arrangement can create cherished moments with your adult children, it is essential to balance your personal financial goals, such as debt repayment and retirement planning.

How it can affect your retirement

Having an adult child back at home can lead to increased expenses such as groceries, utilities, insurance, transportation, and phone bills. If your adult child is unemployed, you may need to provide additional financial support, which can impact your nest egg. These extra costs may result in parents reducing their contributions to retirement accounts like 401(k) and IRA or dipping into emergency savings. In severe cases, parents may accumulate credit card debt, ultimately delaying their retirement plans. A survey by Thrivent in 2025 revealed that 38% of parents with adult children living at home reported that their long-term financial goals, including retirement, had been affected. Surprisingly, 60% of adult children mentioned that their parents did not discuss the financial implications with them.

How to set boundaries without damaging the relationship

Establishing a clear plan for how much an adult child will contribute financially to the household, preferably in writing, can prevent misunderstandings and conflicts. This plan can also address non-financial aspects like household chores, privacy, and guest policies. Parents should calculate their new monthly expenses in advance to avoid surprises. Encouraging adult children to contribute financially and explore side hustles can help cover additional costs and serve as a stepping stone for their financial independence. While parents can charge rent, it doesn’t have to be at market rates; a modest contribution can suffice. Offering to co-sign a loan or lease for your child who is hesitant to move out is another option, but it comes with legal and financial responsibilities.

In conclusion, navigating the dynamics of a multigenerational household requires open communication, financial planning, and setting clear boundaries. By balancing support for adult children with safeguarding your financial future, you can ensure a harmonious living arrangement while securing your nest egg.