While it has one of the smallest state economies in the country, Alaska'sper capita income is among the highest, owing to a diversified economy dominated by fishing, natural gas, andoil, all of which it has in abundance.United States armed forcesbases andtourismare also a significant part of theeconomy; more than half the state is federally owned public land, including a multitude ofnational forests,national parks, andwildlife refuges.