The Labour 20 – L20 - represents the interests of workers at the G20 G20 The Group of Twenty, or G20, is a forum for international cooperation on the most important aspects of the international economic and financial agenda. It brings together 19 countries and the European Union, which together represent around 90% of global GDP, 80% of global trade and two thirds of the world’s population. level. It unites trade unions from G20 G20 The Group of Twenty, or G20, is a forum for international cooperation on the most important aspects of the international economic and financial agenda. It brings together 19 countries and the European Union, which together represent around 90% of global GDP, 80% of global trade and two thirds of the world’s population. countries and Global Unions and is convened by the International Trade Union Confederation (ITUC) and Trade Union Advisory Committee (TUAC) to the OECD.