Edu/stats 2014

Data compiled by unionstats.com show a dip in teachers union membership over the past 30 years.

In 2013:

• 47.7 percent of elementary and middle-school teachers were in unions.
• 52.2 percent, secondary school teachers
• 17.2 percent, preschool and kindergarten teachers

In 1983:

• 57.7 percent of elementary and middle-school teachers were in unions.
• 57.4 percent, secondary school teachers
• 26.3 percent, preschool and kindergarten teachers

A Gallup Poll also showed public opinion waning.

• In 2011, 47 percent of Americans thought teachers unions hurt the quality of public education. That percentage grew from 1976, when 38 percent of Americans thought teachers unions hurt education.