Nearly one in five Newark residents age 16-24 were neither employed nor in school as of 2022, a situation that could have serious consequences for them and the city if not addressed, according to a report released Wednesday. The report, titled “A Portrait of Newark”and released by the nonprofit Newark Opportunity Youth Network, says that 18.4% of young Newarkers were what it called “disconnected youth.” The figure, based on data from the U.S. Census Bureau’s 2018-22 American Community Survey, is up from Newark’s pre-pandemic rate of 17.5% in 2020 and now totals about 7,500 teens and young adul…