Cost of living in Seattle, Washington (United States) is 66% more expensive than in Almería (Spain)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 3,732 prices entered by 669 different people.
For example, you would need at least €2,982 ($3,411) in Seattle, Washington to maintain the same standard of living that you can have with €1,800 in Almería.