Note: Interestingly enough, teachers in Finland (the country US is being compared against in the article) are fully unionised: 95 % of teacher workforce are members in the main union, OAJ.<p>source: <a href="http:&#x2F;&#x2F;www.oaj.fi&#x2F;cs&#x2F;oaj&#x2F;Tietoja%20OAJsta" rel="nofollow">http:&#x2F;&#x2F;www.oaj.fi&#x2F;cs&#x2F;oaj&#x2F;Tietoja%20OAJsta</a> (in Finnish)