Expats were asked about the general cost of living in their new home, their satisfaction with their financial situation and whether their disposable income was enough to 'lead a comfortable life'.
The cheapest cities for expats
Valencia
Valencia, on Spain's sunny Costa Blanca coastline, is officially the cheapest city to live in as an expat.
Over three quarters (77 per cent) of expats living there are satisfied with their financial situation, much higher than the global average of 54 per cent.
And more than six in ten (61 per cent) say their disposable income is 'more than enough' to lead a comfortable life, significantly higher than the global average of 41 per cent.
An American expat tells InterNations: 'I like that I don't have to worry about my cost of living, whether housing or healthcare.'
Panama City
The capital of Panama, Panama City, is second on the list. More than three quarters (76 per cent) of expats living there are are satisfied with their financial situation.
Disposable income tends to stretch a long way in Panama, with more than nine in ten expats (91 per cent) saying they have enough to lead a comfortable life.
It's also a popular retirement destination, with 10 per cent of expats saying they moved to Panama City to enjoy their golden years.
A Jamaican expat tells InterNations: 'I like the peaceful, affordable life.'
Malaga
Spain rounds off the top three, with coastal city Malaga also among the cheapest destinations in which to be an expat.
More than seven in ten (72 per cent) expats are happy with the city's cost of living.
And 38 per cent describe themselves as 'completely satisfied' with their financial situation.
The priciest cities for expats
Vancouver
At the other end of the scale, Vancouver ranks as the most unaffordable city to live in as an expat.
Nearly nine in ten (88 per cent) expats feel Vancouver is too expensive, with 65 per cent saying their disposable income is not enough to lead a comfortable life.
Just under half (48 per cent) of expats think the cost of living in the Canadian city is 'very bad'.
One Turkish expat tells InterNations: 'Life is expensive, especially housing. You need extra money to socialise.'
Toronto
Another Canadian city is the second priciest city to live in as an expat. More than half (53 per cent) of expats living in Toronto aren't happy with their financial situation.
Around four in five (81 per cent) foreign residents think the city is too expensive.
A Spanish expat tells the survey: 'Cost of living is crazy expensive. Going out for a meal or drinks feels like a luxury. Overall, it's impossible for me to have the same social lifestyle I had in Germany or Spain.'
More than half (56 per cent) of those surveyed say their disposable income isn't enough to lead a comfortable life.
London
London ranks as the third most expensive city for expats, with seven in ten (70 per cent) people describing the Big Smoke's cost of living as too high.
Close to two in five (39 per cent) are unhappy with their personal financial situation in London.
Just under half (46 per cent) say their disposable income isn't enough to lead a comfortable life.
An American expat tells InterNations: 'I wish our salaries matched the cost of living.'
THE WORLD'S CHEAPEST AND MOST EXPENSIVE PLACES TO BE AN EXPAT
1. Valencia 2. Panama City 3. Malaga 4. Mexico City 5. Bangkok 6. Alicante 7. Kuala Lumpiur 8. Ras al Khaimah 9. Warsaw 10. Vienna 11. Muscat 12. Riyadh 13. Madrid 14. Tokyo 15. Nairobi 16. Prague 17. Lisbon 18. Dusseldorf 19. Hong Kong 20. Brussels 21. Budapest 22. Jeddah 23. Frankfurt 24. Abu Dhabi 25. Cologne 26. Zurich 27. Barcelona 28. Berlin 29. Basel 30. The Hague 31. Rome 32. Copenhagen 33. Doha 34. Melbourne 35. Stockholm 36. Dubai 37. Hamburg 38. Luxembourg City 39. Amsterdam 40. Istanbul 41. Geneva 42. Sydney 43. Milan 44. Paris 45. New York 46. Auckland 47. Singapore 48. Munich 49. Oslo 50. Dubin 51. London 52. Toronto
53. Vancouver
Source: InterNations
Dublin also ranks among the most expensive cities in which to be an expat, landing just outside the top three.
Oslo, Munich, Singapore, Auckland, New York and Paris are also tough on foreign residents' wallets.
On the flipside, three Spanish cities make the top ten cheapest spots with Alicante joining Valencia and Malaga at the top of the table.
Mexico City, Bangkok, Kuala Lumpur, Ras Al Khaimah, Warsaw and Vienna are also good choices for expats looking for an affordable cost of living.