The demonstration was organized by the General Labor Confederation, the country’s biggest union umbrella group, and the Public Workers Association. The opposition Civic Radical Union party also backed the protest.
Union demands include an increase in the threshold at which wages start to be taxed and an increase in the minimum salary to 3,500 pesos ($715) per month from the 2,875 pesos that the government has announced for February 2013. After wages rose an average 25 percent this year, in line with the inflation rate estimated by private economists, more workers have become subject to income taxes.
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