This occurred on 1 January 2019, and the LO became part of the new Danish Trade Union Confederation.

Members of the 18 trade unions of the LO were typically skilled or unskilled manual labourers, tradesmen and blue-collar workers from the working class.

A typical LO-member occupied a lower class position in society and earned an hourly wage.

LO-members were e.g. blue-collar workers, cleaners, bus drivers, plumbers, electricians, nursing assistants, hairdressers, painters, cosmeticians, gardeners, iron workers, dairymen, secretaries, technicians, assistants, etc.

It also sought to influence the government and the political parties when it comes to drafting and implementing legislation, especially in relation to labour market policies.