How Long Does Alimony Last in Massachusetts?
Last reviewed: March 2026
Massachusetts uses statutory formula to determine alimony duration. 50% of marriage for 0-5yr, 60% for 5-10yr, 70% for 10-15yr, 80% for 15-20yr, indefinite for 20+yr (Source: M.G.L. c.208 s.49 (Alimony Reform Act))
How Massachusetts determines alimony duration
Massachusetts is an equitable distribution state. Massachusetts refers to spousal support as “alimony”. Massachusetts has a statutory formula that determines the maximum duration of alimony based on the length of the marriage.
Source: M.G.L. c.208 s.49 (Alimony Reform Act)
General term alimony: 30-35% of income difference. Duration based on marriage length tiers per the 2011 Alimony Reform Act.
Estimated alimony duration by marriage length
The table below shows estimated maximum alimony duration for different marriage lengths in Massachusetts.
| Marriage length | Est. max alimony duration |
|---|---|
| 5 years | 2.5 years |
| 10 years | 6 years |
| 15 years | 10.5 years |
| 20 years | 16 years |
| 25 years | Indefinite (court discretion) |
When does alimony end in Massachusetts?
Alimony in Massachusetts typically ends when:
- The court-ordered term expires
- The recipient spouse remarries
- Either party dies
- A court modifies or terminates the order due to a significant change in circumstances
In some cases, cohabitation with a new partner may also be grounds for modification or termination of alimony in Massachusetts.
Is alimony taxable in Massachusetts?
For divorce agreements finalized after December 31, 2018, alimony is not deductible by the payer and not taxable to the recipient under federal tax law (Tax Cuts and Jobs Act). This applies in Massachusetts and all other states.
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