Spain requires a 500,000 euro investment in Spanish property, but business owners should be careful as the tax laws in the country are unfavorable, and you could subject yourself to an "exit tax". Spanish citizenship can be aquired with a 1 year residency if you're the spouse/child/widow/descendents pf a Spaniard. If you are from a Spanish0American country *Andorra, Phillippines, Equtorial Guinea, Portugal and those of Sephardic origin will only need to wait 2 years. Others can apply after 10 years of residence in Spain.