The United States union density has dropped consistently since the 1960s due to the immigrant share of the population having risen. Using the 1993 Naylor and Cripps union formation model, experts have argued that immigrants are the main reason behind the reduction of unions because they have lower preferences for unionization and increase diversity in the working population.

Immigrants are on the frontlines fighting coronavirus - CNN — **Image Source**

In turn, that diversity decreases solidarity among workers. Empirically, the experts employ the method known as skill-cell which was devised by Borjas in 2003. The experts conducting the study found that immigration reduced union density by 5.7% between 1980 and 2020. This figure accounts for a 29.7% overall decline in union density during that period…

Read the entire working paper HERE

Uniic Media

Unionization in the United States has…