Trade Union Members rose 0% to in Belgium in 2015, according to OECD.
Historically, Trade Union Members in Belgium reached an all time high of 2,132 '000 in 2012 and an all time low of 1,033 '000 in 1962.
| Trade Union Members | Unit | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 |
| Austria | '000 | 1,029 | 1,022 | 1,008 | 999 | 995 | ||||||||||||||||
| Belgium | '000 | 2,039 | 2,076 | 2,068 | 2,067 | 2,128 | ... | |||||||||||||||
| Denmark | '000 | 1,733 | 1,725 | 1,700 | 1,648 | 1,630 | ||||||||||||||||
| France | '000 | 1,795 | 1,807 | 1,812 | 1,823 | 1,830 | ... | |||||||||||||||
| Germany | '000 | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... |
| Italy | '000 | 5,665 | 5,750 | 5,908 | 5,974 | 6,067 | ||||||||||||||||
| Luxembourg | '000 | 121 | 120 | 119 | 118 | 118 | ... | |||||||||||||||
| Netherlands | '000 | 1,422 | 1,436 | 1,423 | 1,370 | 1,360 | ||||||||||||||||
| Poland | '000 | 1,820 | 1,839 | 1,790 | 1,738 | 1,635 | ... | |||||||||||||||
| Spain | '000 | 2,622 | 2,879 | 2,777 | 2,678 | 2,583 | ... | |||||||||||||||
| United Kingdom | '000 | 6,865 | 6,890 | 6,743 | 6,680 | 6,621 |
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