The Health Insurance Cost Most Expats Miss

Imagine you figured out your visa situation. You are finishing up your plans to move. You're getting familiar with what your life will look like overseas. Then you eventually get to expat health insurance — it's not the sexiest thing, but it's an essential item. You do some research but nothing seems to make sense.

We feel the exact same way, but fortunately we did our homework. We've done research to figure out what international health insurance would actually cost amongst some of the most popular insurance carriers in the expat space. We pulled quotes from 6 carriers for the same person: a healthy 29-year-old American, no pre-existing conditions, relocating to Ho Chi Minh City, Vietnam. In case this doesn't fit your exact profile, that's okay. There's still a lot to learn as we'll go over the mechanics of what decides the premium of an international insurance policy.

What's most surprising is the cheapest annual premium vs. the most expensive.

Cheapest Plan: $1,096
Expensive Plan: $5,249

That's nearly a 5x difference, for what we thought was the same plan on the surface.

Initially we thought it would be worth buying the cheapest plan. But when we started reading the actual policy documents, it started to make sense. The claims marketing pages don't always match the actual policy terms. We also realized the price gap had nothing to do with the quality of service. It came down to 3 structural factors that nobody talks about until you get deep into the nuts and bolts of a policy.

Principle #1 – Product Type

This one was misleading because we didn't realize international health insurance isn't just one product. It's several different products that happen to share an identical name. Confusing, right?

Residency plans are built for people moving abroad long-term. The plan is designed to assume you're staying overseas for years, but we understand life is much more complicated than that. It offers renewable coverage, builds a medical history with you over time, and prices based on where you live. They cost more upfront, but that's because they're designed to still cover you when you're 50 and have actual health issues — not when you're in your 20s and 30s in peak health.

Travel insurance is a completely different animal. It's convenient, covers emergencies during a trip, cheap, and it's designed for the short term. There's no medical history being built and no pre-existing condition coverage.

Here's the part that was actually shocking: if you run on travel insurance for a few years and then try to switch to a residency plan, every health issue you picked up during those years is now a pre-existing condition. Which means your new carrier can choose to exclude them, charge you more, or outright just say no to coverage.

We found two products mixed together when we were doing our research.

The $1,096 plan? Regional residency only.
The $5,249 plan? Global residency with worldwide coverage including the U.S.

Both products provide insurance but cover 2 wildly different use cases. The $1,096 plan makes sense if you're going to stay only in the regional area Asia covers. The comprehensive $5,249 plan makes sense if you'll be traveling the world, including going back to the U.S. Which option makes the most sense will depend on your unique situation.

If you're relocating for more than a year, a residency plan will likely make the most sense even though it costs more. Starting cheap on travel insurance and switching later can be risky considering if you develop any health issues along the way.

Principle #2 – Zone Structure

This area is the variable that creates the biggest price differences, and somehow it's the detail that most comparison sites skip over completely.

Every international health insurance policy divides the world into coverage zones. The areas you get treatment coverage in depend on which zone you're in. We saw a huge discrepancy across the 6 carriers we studied. One covered only Southeast Asia, one covered Asia-Pacific, and one covered the whole world except the U.S. Two covered everything including the U.S.

We discovered that having the U.S. included in your coverage is one of the single biggest factors that can increase your premium.

American healthcare prices are some of the highest rates globally, so any plan that lets you walk into a U.S. hospital costs drastically more. If you're living in Vietnam and don't plan on getting medical treatment in the States, you're likely paying for something you'll probably never use.

We saw this trend play out in our own quotes. Same carrier, same plan, same benefits, same deductible. The Southeast Asia version was $1,717 per year. The worldwide-except-US policy ran $2,453, with the only difference being the coverage zone. That's a $736 premium gap for adding countries you might never visit for medical care.

So before comparing prices, make sure to check what countries are actually covered by your carrier's policy. Dropping U.S. coverage can save 30–50% on your premium. Just make sure you understand what happens if you need emergency treatment during a visit home, and prepare in advance. Some plans also offer limited emergency coverage in excluded zones. Make sure your carrier is able to provide zone structure details when shopping quotes.

Principle #3 – Age-Banding

The last factor we need to cover is age banding. It's a mechanic where carriers group policyholders into specific age brackets (ex: 18–25, 26–35) and charge everyone within that bracket a similar rate based on similar health profiles.

Every carrier raises your premium as you get older. That's fairly standard. What is surprising is how they do it. The gap becomes huge over 10 to 20 years, and almost nobody talks about this.

We ran the figures on what the same 6 plans would cost at age 29 versus age 58. Here's what we found:

• One carrier went up 1.9x (from $1,096 to $2,093)
• Another also went up 1.9x (from $5,249 to $10,100)
• Two carriers went up 2.5x
• One carrier went up 3.5x (from roughly $7,600 to over $26,000 per year)

We know … $26,000 a year, for health insurance?! We couldn't believe it either.

That 3.5x carrier uses "age-at-enrollment" pricing, which sounds good at face value because your rate is supposedly locked when you sign up. But the base rate is much higher to begin with. The 1.9x carriers use community-rated models where rates climb more slowly but start from a lower base premium.

The cheapest plan at 29 might not be the cheapest at 45. And the most expensive plan at 29 might save you money in the long run if the age curve is more steady.

We recommend asking each carrier for their premium schedule by age, not just your quote for the year. If they choose not to disclose it, we'd consider that a red flag. Run the numbers at age 40, 50, and 60 on every plan you're considering. The plan that looks simple and cheap right now might end up being expensive and painful in the long run.

Why This Matters

Most relocation guides treat health insurance like a checkbox. Pick a plan at a good price and move on. But this is one of the largest recurring expenses you'll carry for as long as you live abroad. Not doing your due diligence and getting the wrong policy in year one can lock you into something that's expensive or painful to change later.

The real risk isn't just picking the wrong plan. It's picking the cheapest plan without understanding why it's cheap, then discovering the limitations afterwards. You want your insurance policy to fit into how you design your life, not the other way around.

We spent weeks going through policy documents, pulling quotes, and comparing contract language to figure all of this out. If you're planning a move and want to dig deeper, we publish independent contract reviews and pricing comparisons at HanaBright.

Brian Tran is the founder of HanaBright, an independent research site that reviews international health insurance for expats.

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Editor's note: This is a contributed guest post. The figures, carrier comparisons, and quotes referenced above are provided by the author and have not been independently verified by immigrationopportunity.com. Readers should confirm current pricing and coverage details directly with insurance carriers before making a decision. The author is solely responsible for the accuracy of the data and information presented; immigrationopportunity.com assumes no liability for it.