Arizona's unemployment rate rose from 7.9 percent in December to 8 percent in January, the state Office of Employment and Population Statistics reported Thursday.
Economists said there were seasonal job losses in Arizona's government and the private sector, totaling 45,500 non-farm jobs in January.
Retail trade and employment industries lost the most jobs, reflecting typical reductions after the December holiday shopping season.
Economists said local public education lost 9,400 jobs around the state, the largest January loss in that sector since 2007.
The national unemployment rate in January was 7.9 percent, up from 7.8 percent in December.