sentences:  According to the 2011 National Population Census, 67.5% of the population that lives in the Maleku official territory declared that they speak the language; however, the state of vitality varies from one village to another and even among families (Sánchez 2011).In any case, following the parameters of UNESCO, the language can be classified as definitively endangered (Sánchez 2013).The malekus (usually called "Guatusos" in historical documents, travel chronicles of the 19th and 20th centuries, and in multiple academic studies) constitute one of the original peoples of the Costa Rican territory.