The U.S. Bureau of Labor Statistics released its Job Openings and Labor Turnover Survey (JOLTS) report on Tuesday. Job openings fell to 4.994 million in March from 5.144 million in February.
February's figure was revised up from 5.133 million.
Analysts had expected job openings to decline to 5.085 million.
The number of job openings decreased for total private (4.506 million), while remained unchanged for government (488,000) in March.
The hires rate was 3.6% in March.
Total separations rose to 4.983 million in March from 4.793 million in February.
The JOLTS report is one of the Federal Reserve Chair Janet Yellen's favourite labour market indicators.