Seeing as how international travel has grown in popularity over the years, many retirees are considering taking their wanderlust with them to a new country. The retirement income of others motivates them to relocate to a new area. In excess of half a million Americans get their Social Security checks while living abroad, according to data from the Social Security Administration.

Considerations for retiring abroad include access to medical care, visa regulations, cultural fit, tax burden, and expense of living. With so many variables at play, it's smart to consult an expert, and retirees are encouraged to spend at least a few months living in a potential location before making the big move. The U.S. Department of State is another great place to look for information if you're thinking about spending your golden years somewhere other than the United States. If you're thinking of retiring, consider these top 10 destinations.

Due to its temperate temperature, friendly people, and close proximity to the United States, this Central American nation driving directions has become a popular retirement spot. Depending on where you live and the type of housing you choose, the cost of living is reasonable.

With the "pensionado visa," a program that needs a pension income of at least $1,000 per month and offers benefits like discounts on a variety of services and a tax exemption on importing household goods, the government of Panama has made retiring in Panama particularly attractive. Visitors with valid passports are permitted to stay for up to three months, but anyone seeking permanent residency should see an immigration attorney in the area.

Public and private hospitals, clinics, and doctors are also available in Panama, and while both require co-payments, public healthcare is more affordable overall. The private system is the most popular option since it provides high-quality services and amenities to seniors at affordable costs (whether they use Medicare, Medicaid, private insurance, or pay out of pocket).

In recent years, Portugal has risen in popularity as a retirement destination for people all over the world, especially in Europe. Reasons include a mild climate, beautiful scenery, and friendly locals. Affordable housing and normal living costs are available across the country, albeit they do vary from city to city. In comparison to New York City, living expenses in Lisbon and Porto are roughly 50% less expensive, with Porto being somewhat less expensive than Lisbon.

Those who are legally able to do so can sign up with the National Health Service and receive treatment at public hospitals and health clinics, with individual costs deducted from their monthly or annual health care payments. Private insurance typically foots the bill for medical care for those who can afford it. Along with a passport and evidence of income, having valid health insurance is also essential in order to apply for a residency visa. A temporary residency permit for retirees can be obtained from a consulate in the retiree's home country; after five years, retirees must apply for a permanent residence permit.