Yes, the Affordable Care Act (ACA) covers all 50 states and Washington, D.C. KFF, HealthCare.gov. While the law is national, its implementation varies, with some states running their own health insurance marketplaces while others use the federal platform, HealthCare.gov. Key differences exist, particularly regarding Medicaid expansion, which has not been adopted in all states KFF.
Your current ACA plan likely won't cover care in your new state. It's important to switch to a plan that meets your new state's guidelines and includes local providers.
The Affordable Care Act, also known as Obamacare, was enacted in 2010, but 10 states have not expanded Medicaid, the federal-state program that provides health care for low-income people. They are Alabama, Florida, Georgia, Kansas, Mississippi, South Carolina, Tennessee, Texas, Wisconsin and Wyoming.
Which Health Insurance Is Accepted in All 50 States?
Multi-State Plan options are offered, along with other approved plans, on the Health Insurance Marketplace. The Marketplace is a one-stop shop where you can compare prices on health plans, buy coverage, and obtain Federal subsidies if you qualify for them.
Do I need multi-state car insurance? No. No matter where you live, your standard car insurance policy will typically cover you in all 50 states and Canada.
Massachusetts is the #1 state for health insurance with a final score of 73.27, ranking highest in both access and quality. The District of Columbia (67.20) and Rhode Island (66.08) complete the top three, driven by strong coverage rates and access to providers.
States that don't require car insurance
New Hampshire is the only state that doesn't mandate car insurance. However, drivers who choose not to buy car insurance must prove they have sufficient funds to meet the state's financial responsibility requirements (PDF) in the event they cause an accident.
Health plan availability and cost
The prices of ACA-compliant coverage and other out-of-pocket costs will differ depending on which state you live in and even which region of your state you live in. Factors will include your age, ZIP code, and health plan selection.
There isn't one single state with the absolute highest rates across every metric, but Vermont, Alaska, New Jersey, Massachusetts, and New York consistently rank among the most expensive for health insurance premiums, with Vermont often topping charts for individual silver plans, while Alaska leads in overall costs for employer plans, and Northeastern states like NJ/MA/NY have high costs due to high spending and mandates. Factors like provider shortages (Alaska) and state regulations (Northeast) influence these high costs.
If this is a life threatening emergency you will be covered. If not, I suggest you call your Medicaid provider to try to get authorization for services away from your home state. They do pay for certain services out of state, but unless it's life threatening they always require prior authorization.
According to the latest 2025 CEOWORLD Health Care Index, Taiwan once again ranks as the country with the best healthcare in the world, maintaining its top position with an overall score of 78.72. South Korea (77.7) and Australia (74.11) remain in second and third place, respectively.
Attempting to insure a vehicle in a state where you don't live might be insurance fraud. This can carry serious legal consequences.
Top 10 Most Affordable States for Healthcare in 2025
No. Because each state has its own Medicaid eligibility requirements, you can't just transfer coverage from one state to another, nor can you use your Medicaid coverage when you're temporarily visiting another state, unless you need emergency health care.