Couples and Money: The Proportional Sharing Method

Couples and Money: The Proportional Sharing Method If there’s one topic that’s probably more sensitive than people talking about their money, it’s how they split their money with their partners. I am swayed by the method proposed by this post – Why Couples Should Split Expenses By How Much They Make by Tracy Moore.

Let’s say Partner #1 makes $7,000 per month and Partner #2 makes $3,000 per month. That means Partner #1 makes 70% of the total income and Partner #2 makes 30% of the total income. The proportional sharing method would have Partner #1 pay for 70% of the total expenses and Partner #2 makes 30% of the total expenses.

Result: If the household expenses are $5,000 per month, Partner #1 pay $3,500 per month (70%) and Partner #2 makes $1,500 per month (30%). Why not any of the alternatives?

You can act all day long like you don’t mind supporting someone, but you do. You can act all day long like you don’t mind being completely subsidized by someone else, but you do. You can act all day long like you don’t mind going halvesies even though she makes $50k more than you do, but you do. And so on. You can pretend to throw everything together in a blind pot and pay everything out of it, but if the one who makes less spends more, and believe me, they always do, you’ll care.

I should disclose that my wife and I don’t do this, and we’ve always just put everything into a single pot and spent from there. However, I don’t think what works for us will work for everyone. First, we married relatively young with minimal individual net worth. (I did work really hard to pay off my student debt so I could at least start us out on a positive number.) Second, we both agreed to the communal pot idea from the beginning. I’ve always figured that if somehow we divorced, we’d just split whatever assets we had down the middle anyway even if I earned more. Third, although our incomes both varied, we never went through a prolonged period where one person was unemployed and resentment could possibly build up. We have both worked consistently the entire time, even after transitioning to working less than full-time and watch the kids the rest of the time.

In the end, I do know that both sides have to agree that the setup is fair. Our choice to both work and both take care of the kids was definitely a conscious decision to pursue our idea of “fairness”, although I know that setup isn’t possible for everyone. That’s why, for a couple that is starting out with a history of being on their own financially, it seems like this idea of proportional sharing is a good starting point for an open discussion.

Do you think there is a better “default” method for merging finances if you’re a couple with different incomes?

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Couples and Money: The Proportional Sharing Method from My Money Blog.