Featured guide · Est. reading time 12 minutes
The Social Security & Medicare field guide.
Two programs, one retirement. Turn the pages for the claiming ages, the enrollment windows, and the coordination rules that decide how much of what you've earned actually reaches you.
Educational overview — not individual investment, tax, or legal advice.
Social Security
& Medicare
A field guide to claiming, enrolling, and coordinating — plainly told.
Turn the page →First principles
What each program is — and what it was never meant to be.
I First principles
Social Security is an earned benefit: 40 credits of work (roughly ten years) buys a monthly check for life, indexed to inflation. It replaces about 40% of an average earner's pre-retirement income — a floor, not a plan.
Medicare is health insurance from 65 on. It is not free, it is not automatic in every case, and it does not cover long-term care.
Full retirement age
The pivot the whole system turns on.
II Full retirement age
Your full retirement age (FRA) is 67 for anyone born in 1960 or later. Claim at FRA and you receive exactly the benefit you earned — your Primary Insurance Amount.
- Born 1955–1959 — FRA phases from 66 and 2 months to 66 and 10 months
- Born 1960 or later — FRA is 67, full stop
- Medicare eligibility stays at 65 — it does not move with FRA
Early vs. late
Every month you wait changes the check.
III Early vs. late
You may claim as early as 62 — at a permanent reduction of up to 30%. Wait past FRA and the check grows 8% per year until 70, guaranteed, on top of inflation adjustments.
- Claim at 62 — smaller check, more years of checks
- Claim at 70 — a check up to 77% larger than at 62
- Break-even typically lands in the early 80s — longevity, health, and a spouse's benefit all move it
Spouses & survivors
Benefits you may not know you've earned.
IV Spouses & survivors
A spouse can receive up to 50% of the other's full benefit — even with little or no work record of their own. A widow or widower can step up to 100% of a late spouse's check.
- Divorced after 10+ years of marriage? You may still qualify on an ex-spouse's record
- Survivor benefits can begin at 60 — earlier than retirement benefits
- Remarriage rules differ before and after 60 — timing matters
Medicare, part by part
Four letters, four different jobs.
V Medicare, part by part
- Part A — hospital insurance. Premium-free for most, after 40 quarters of work
- Part B — doctors and outpatient care. Monthly premium, income-adjusted
- Part C — Medicare Advantage: A + B (often + D) bundled through private plans
- Part D — prescription drug coverage. Skip it without other coverage and a lifelong penalty accrues
Windows & coordination
The calendar does the deciding.
VI Windows & coordination
Your Initial Enrollment Period is seven months around your 65th birthday — three before, your birthday month, three after. Miss it without employer coverage and Part B costs 10% more, permanently, per year missed.
- Working past 65 with employer coverage? Special rules apply — confirm before declining Part B
- Drawing Social Security at 65 enrolls you in A & B automatically
- Medigap's guaranteed-issue window opens once — six months from Part B's start
Now make it personal.
The rules are the same for everyone. The right answer isn't. Bring your work history, your health picture, and your spouse's — we'll run the timing math with you, at no cost.
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More from the reading room.
Video briefings, thirty calculators, and a glossary of the terms that show up in every policy and plan document.
- 401(k) & Retirement Planning — how Social Security timing fits the rest of the income plan
- Long-Term Care — the coverage Medicare famously does not provide
- Medicare Solutions — supplement and Advantage guidance from licensed professionals