We all know it's a good idea to join a union, but the OECD numbers show that we do the opposite: <a href="https://stats.oecd.org/Index.aspx?DataSetCode=TUD" rel="nofollow noreferrer">https://stats.oecd.org/Index.aspx?DataSetCode=TUD</a><p>I guess things haven't gotten quite bad enough. When things get much worse, we might see an uptick again...
Sectoral unions are a key to this kind of strength in labor. But the political landscape in the US, both in the form of laws already on the books and the "us vs them" mindset that polarizes workers along political lines, would make getting those kinds of unions together tough.