Mayan languages system developed by the Academia de Lenguas Mayas de Guatemala (ALMG). Orthographies for the languages of Mexico are currently being developed by the Instituto Nacional de Lenguas Indígenas (INALI). The pre-Columbian Maya civilization developed and used an intricate and fully functional writing system, which is the only Mesoamerican script that can be said to be almost fully deciphered. Earlier-established civilizations to the west and north of the Maya homelands that also had scripts recorded in surviving inscriptions include the Zapotec, Olmec, and the Zoque-speaking peoples of the southern Veracruz and western Chiapas area—but their scripts are as yet largely undeciphered.
Mayan languages Yucatecan languages are Mopan, spoken by around 10,000 speakers primarily in Belize; Itza', an extinct or moribund language from Guatemala's Petén Basin; and Lacandón or Lakantum, also severely endangered with about 1,000 speakers in a few villages on the outskirts of the Selva Lacandona, in Chiapas. Wastek (also spelled Huastec and Huaxtec) is spoken in the Mexican states of Veracruz and San Luis Potosí by around 110,000 people. It is the most divergent of modern Mayan languages. Chicomuceltec was a language related to Wastek and spoken in Chiapas that became extinct some time before 1982. Proto-Mayan (the common ancestor of