N2015, about percent of employed wage and salary workers belonged to unions.

11.1 percent

Explanation:

According to the report from the United States of America Bureau of Labor Statistics (BLS) on the 26th of January, 2016, 11.1 percent of employed wage and salary workers belonged to unions. Also, there was 0.4 percent decline in the Percentage of United States of America workers in 2016.

It was reported that Public-sector workers had a union membership of 34.4 percent and private-sector workers at 6.4 percent. Also, In the private sector, utilities has union membership of 21.5 percent, transportation, telecommunication industries union membership of 14.6 percent, and educational services of 12.3 percent.

The number of workers in total who belonged to unions in 2015 was 14 million, eight hundred and fourty million.

answer; i believe that the correct answer is culture based resources;