Staying single is not a neutral financial decision. It is an expensive one, and most people making it have no idea how much it is quietly costing them.

That is not a judgment about your love life. It is arithmetic.

There is a real debate happening right now between two camps of reasonably smart people. One side says single life is financially liberating: no shared debt, no messy money conversations, total autonomy over every dollar. The other side says the numbers tell a different story, and that the cost of being single is one of the most underdiscussed financial penalties in modern adult life. Both sides have data. One side is more right.

Let me show you why.

The Case for Staying Single: Side A’s Strongest Argument

The autonomy argument is not nothing. A 2023 Pew Research Center report found that 34% of single adults in the U.S. say they are not currently looking for a relationship because they value their independence and personal freedom. That is a real preference, not a delusion.

Single people also avoid some genuinely expensive risks. Divorce costs an average of $15,000 in the United States according to a 2022 Forbes Advisor analysis, and that is the median. Contested divorces involving property and custody routinely exceed $50,000. If a relationship ends badly, you pay for it financially for years.

There is also the lifestyle flexibility argument: single people change jobs more easily, relocate for opportunity without negotiation, and make investment decisions faster. A 2021 study published in the Journal of Marriage and Family found that high-income single men, in particular, had higher rates of geographic mobility tied to career advancement compared to married counterparts.

Side A is making a real argument. The problem is that it is only measuring the costs of partnering and ignoring the costs of not partnering.

The Case Against Staying Single: Side B’s Strongest Argument

Here is what nobody tells you: the single tax is not metaphorical. It is a line item.

The U.S. Bureau of Labor Statistics 2022 Consumer Expenditure Survey found that single-person households spend 57% more per person on housing than individuals in two-person households. They spend 21% more per person on food. They pay higher car insurance premiums in most states. They are far less likely to have employer-sponsored health coverage through a spouse, which means higher out-of-pocket costs in the private market.

What would your net worth look like right now if your fixed costs had been split for the last five years?

Run that number before you keep reading. It matters.

Beyond housing and food, retirement tells the real story. A 2023 Vanguard analysis of retirement readiness found that single Americans are significantly behind dual-income households in retirement savings at every age bracket. By age 55, the median retirement savings gap between single adults and married couples was over $180,000. That gap does not come from bad individual decisions. It comes from structural cost differences that compound for decades.

Did You Know: The “marriage premium” in earnings is well-documented in economic research. A 2022 study by the National Bureau of Economic Research found that married men earn approximately 11% more than comparable single men, partly due to employer perception, partly due to stability effects on productivity and networking. Women see smaller but still measurable premiums in certain industries.

Then there is insurance. Life insurance, disability insurance, and long-term care insurance all cost more per person when purchased individually rather than through a shared household plan or spousal coverage. A single 38-year-old purchasing a 20-year term life policy pays, on average, 40% more in lifetime premiums than the per-person cost for a married couple with equivalent coverage, according to 2023 data from PolicyGenius.

The math is not subtle.

The Real Cost Nobody Calculates

Here is where the debate gets personal, and where I want to be radically honest with you.

A client I will call Marcus, 34, came to me after a conversation I have had a version of more times than I can count. He was intelligent, self-aware, and financially responsible by every visible measure: no consumer debt, maxed Roth IRA, solid emergency fund. He was also, by his own description, perpetually single, not because he wanted to be, but because he kept exiting relationships at the three-month mark.

The pattern was the same each time. Things would get real, meaning genuinely emotionally close, and Marcus would find a reason to leave. Too busy. Not the right fit. Needed more space. He had a vocabulary for it that sounded like wisdom but functioned like a wall. His relationship habits were costing him more than money. But the money part was real too. He was 34, paying $2,100 a month for a one-bedroom in a mid-tier city, carrying 100% of every bill, and watching his coupled friends build equity in homes he could not afford alone. The cost of being single, in his case, was not a choice. It was a pattern he had not yet named.

Are you protecting your peace, or protecting a pattern that has started to protect itself?

That question is not rhetorical.

Warning: Relationship avoidance dressed up as self-sufficiency is one of the most financially and emotionally costly long-term strategies an adult can run. The research backs this. A 2020 Harvard Study of Adult Development update, one of the longest longitudinal studies in history, found that the quality of close relationships is the single strongest predictor of health, happiness, and financial stability in later life. Not income. Not education. Relationships.

A Misconception Worth Addressing Directly

Some people read the data above and conclude that any partnership is better than none. That is wrong, and the data does not support it. A 2021 study in Psychological Science found that unhappy marriages produce worse health outcomes than remaining single. Financially, a bad partnership with shared debt, legal entanglement, or economic abuse can be catastrophically worse than the single tax.

The goal is not a relationship. The goal is a good relationship. The cost of being single is real, but it is not an argument for settling.

Pro Tip: Before you run any financial comparison between single and partnered life, audit your relationship habits first. If you are exiting relationships consistently before they become real, no savings calculation matters yet. The behavioral pattern is upstream of the financial outcome.

My Position, Clearly Stated

The single tax is real, it is large, and most single people are not accounting for it in their financial planning. The autonomy benefits of single life are real too, but they do not offset the compounding costs for most people over a 10-to-20-year horizon. The evidence points clearly in one direction: if you are single by circumstance rather than genuine, examined choice, the financial and emotional cost of that circumstance is larger than most financial advice will tell you. The advisors are focused on your portfolio. Someone needs to be focused on the pattern behind it.

It is messier than the advice columns suggest. But you deserve to know this.

Your Next 3 Steps

Step 1: Run your actual single tax number today. Pull your last 12 months of bank and credit card statements. Calculate your true per-person spending on housing, food, insurance, and transportation. Then look up the BLS 2022 Consumer Expenditure Survey dual-income household averages for your income bracket. Subtract. The gap you see is your annual single tax. Write it down. This takes 45 minutes and produces one number you will not be able to ignore.

Step 2: Run a 10-year retirement compounding projection. Go to investor.gov and use the compound interest calculator. Model your current single savings rate over 10 years. Then model the same period with even a modest increase in savings rate, the kind that becomes possible when fixed costs are shared. The difference between those two projections is not hypothetical. It is the compounding cost of unchanged relationship habits over a decade. If the gap is uncomfortable, it should be.

Step 3: Do one honest behavioral audit this week. Write down the last three times you ended or avoided a relationship. For each one, write the actual reason, not the polished version, the real one. If more than one answer is a variation of “I was comfortable alone” or “it got too real,” that is the pattern Marcus had. Name it before you can change it. You do not need a therapist to do this step, though one helps. You need a pen, 20 minutes, and the willingness to be honest with yourself in a way most people avoid entirely.