Population history of indigenous peoples of the Americas about one million people. The Maya population is today estimated at six million, which is about the same as at the end of the 15th century, according to some estimates. In what is now Brazil, the indigenous population declined from a pre-Columbian high of an estimated four million to some 300,000. While it is difficult to determine exactly how many Natives lived in North America before Columbus, estimates range from a low of 2.1 million to 7 million people to a high of 18 million. The aboriginal population of Canada during the late 15th century is estimated to have been
Nearest referent Nearest referent The nearest referent is a grammatical term sometimes used when two or more possible referents of a pronoun, or other part of speech, cause ambiguity in a text. However "nearness", proximity, may not be the most meaningful criterion for a decision, particularly where word order, inflection and other aspects of syntax are more relevant. The concept of nearest referent is found in analysis of various languages including classical languages Greek, Latin and Arabic, and may create, or resolve, variant views in interpretation of a text. There are other models than nearest referent for deciding what a pronoun, or