CHAPTER 1 INTRODUCTION 1-1 Demography 1-1.1 Number and location of speakers Aymara is spoken on the high Andean plains of Peru and Bolivia from the northern tip of Lake Titicaca to the Uyuni salt flats south of Lake Poopé (see Figure 1-1). Southwest of Lake Titicaca it is spoken in the upper reaches of some of the many river valleys that descend to the Pacific coast, and to the east it extends into the subtropical Yungas valleys, but its domain is primarily the altiplano. The majority of native speakers of Aymara today are Bolivians and constitute approximately a third of the Bolivian population (Hardman et al. 1975:3.2). As the total estimated population of Bolivia in 1973 was 5.3 million (U. S. Department of State 1974:1), Bolivian Aymara alone may account for well over a million and a half speakers. In Peru, according to the national census of 1961, persons for whom Aymara was the first (maternal) language