does california have the highest poverty rate?
<answer> Yes, California is, at the same time, the state with the highest poverty rate in the US. <context> The most staggering aspect of this data is that California is, at the same time, the state with the highest poverty rate in the US, based on the Supplemental Poverty Measure (SPM) criterion, with an average of 23.8 percent for the years 2010-2014.