| Indigenous demonstrators raise their arms during protest in La Paz |
The election date was set after both houses of Bolivia's Congress approved the plan to call early elections.
In addition, lawmakers also endorsed a measure to reform the constitution and a hold a referendum on regional autonomy.
Last month, farmers, miners and labor groups held huge protests demanding nationalization of Bolivia's oil industry and new elections.
The protests led to the resignation of President Carlos Mesa. Chief Justice Eduardo Rodriguez has been serving as interim president.
Some information for this report provided by AP.