Arizona is climbing toward the top of an unfavorable list: uninsured children. A recent study found that 8.4 percent of the state's children were uninsured in 2018.

The Georgetown University study data showed Arizona moved up three places from sixth to third. In 2018, the state had 146,000 uninsured children. The study defined children as under the age of 19.

In addition, Maricopa County, Ariz., ranked third in counties with the highest number of uninsured children. Nearly 92,000 (8.3 percent) of its more than 1.1 million children were uninsured.

The percent of eligible children in Arizona enrolled in Medicaid/CHIP was 88.6 percent, according to the study data.

Loss of children's health coverage was most pronounced for Latino children and white children and for children under the age of 6. Losses were also most concentrated in low- and moderate-income families with annual income of $29,000 to $53,000 for a family of three, according to the data.

Insurance loss was three times greater for states that had not expanded Medicaid to low-income parents and other adults under the Affordable Care Act, with uninsured rates increasing at triple the rate in those cases.

Four million or 5.2 percent of the nation's children were uninsured in 2018. Texas topped the list with 11.2 percent of the state's children uninsured.

In addition to Arizona, fourteen states had significant increases in the number or increasing rate of uninsured children. They were: Alabama, Florida, Georgia, Idaho, Illinois, Indiana, Missouri, Montana, North Carolina, Ohio, Tennessee, Texas, Utah and West Virginia.

Only one state, North Dakota, was moving in the right direction. North Dakota's uninsured children decreased to 11,000 from 15,000 in 2016.

See the Georgetown University site for the full report and all data.