Workers in search of internships might not fare as well. Job postings on Indeed.com for summer internships are down more year-over-year than ads for other summer jobs as many white-collar companies slow hiring or cut jobs.

Employers reported 10.1 million job openings in April, far exceeding the 5.7 million unemployed job seekers. About 20% of those were in fields such as entertainment, food service and retail.

Lifeguard shortages, in particular, are lingering this summer and preventing some pools and beaches from opening.