Here are some of the ways marriage can be a financial benefit:
1. Spouses don’t pay estate tax.
2. Married couples filing jointly can save on their taxes (although there can be a “marriage penalty” depending on your joint income).
3. Spouses can gift each other money with limited tax consequences.
4. Social Security, Medicare, disability, and veterans benefits can be transferred to spouses.
5. Health insurance savings are greater when a couple can combine into one single health plan.
6. Joint ownership of checking and investment accounts offers savings as does joint ownership of property.
7. Various beneficial instruments like trusts can only be done between married persons.
Read more at:
The Financial Benefits of Marriage