Cost of living in Seattle, Washington (United States) is 95% 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 3,442 prices entered by 537 different people.
For example, you would need at least €3,701 ($4,223) in Seattle, Washington to maintain the same standard of living that you can have with €1,900 in Almería.