Devon Herrick

Marriage is on the decline, and some of that may be due to marriage penalties in the federal tax code and in government welfare programs. You can add another penalty to the list: the ObamaCare Exchange marriage penalty. Living together prior to marriage — or as a substitute for marriage — is about 15 times more common than it was 50 years ago. About half of all women of childbearing age have lived with a romantic partner prior to marriage. For the younger crowd — women in their 20s — this figure approaches three-quarters. A Pew Research Center poll found that nearly two-thirds of couples who live together view it as a step toward marriage. But, as the old saying goes, times are a changin’! First marriages are taking place later in life. And, increasingly, couples are opting out of marriage entirely.

Social conservatives may dismiss this as a case of waning morality — morally-challenged couples shacking up rather than enter into holy matrimony. Yet the reasons could be partially economic: there are financial penalties in the tax code that kick in when couples get married, and there are additional penalties about to take effect under ObamaCare that further discourage couples from “tying the knot.”

The Patient Protection and Affordable Care Act (ACA), as it’s officially called, establishes health insurance exchanges where qualifying individuals can purchase subsidized, individual health insurance. However, the exchange subsidies are more generous to cohabitating partners than to married couples.

The reason for this is that health care subsidies to purchase coverage in the health insurance exchange are based on the federal poverty level (FPL), and the FPL does not rise proportionally with the number of individuals in the family.

For example, the poverty level is $11,490 for an individual, but it only increases to $15,510 for a married couple — just $4,020 more. Because this poverty designation does not increase equally for each member of the family, two unmarried individuals living together qualify for larger federal subsidies than they would if they were married.

Consider the case of two young lovers moving in together to share expenses, each earning 200 percent of the FPL (about $22,980 annually). This is how cohabitation often starts: it’s a financial marriage of convenience — minus the marriage. If that same couple were to decide to marry, their combined household income of $45,960 would rise as a percent of the poverty level from 200 percent (individually) to 296 percent for a family of two. Tying the knot boosts their family income on paper, but it has the opposite effect on their bank account. For example:

Devon Herrick

Devon Herrick is a health economist and a senior fellow at the National Center for Policy Analysis (NPCA).