美国心理健康协会（MHA）：2025年美国心理健康报告（英文版）

Factors to consider include geography and size. For example, California and New York are similar. Both are large states with densely populated cities. They are less comparable to less populous states like South Dakota, North Dakota, Alabama, or Wyoming. Keep in mind that the size of states and populations matter. Both New York City and Los Angeles alone have more residents than North Dakota, South Dakota, Alabama, and Wyoming combined. The rankings are based on the percentages for each state