Universal 1441:

Original: In an overwhelming majority of languages, there is a special form to denote the metaperson ‘speaker’.
Standardized: In an overwhelming majority of languages, there is a special form to denote the metaperson ‘speaker’.
Keywords: pronoun, personal pronoun, person, 1st
Domain: inflection, syntax, lexicon
Type: unconditional
Status: achronic
Quality: statistical
Basis: 400 world-wide distributed languages, see Sokolovskaja 1980: 98-99; Sokolovskaja surveyed systems of independent personal pronouns only.
Source: Sokolovskaja 1980: 90, U 3

Counterexamples: Kawi [=Old Javanese], Javanese (both Sundic, W. Malayo-Polynesian), Nimboran (Trans-New Guinea) (Sokolovskaja 1980); Aymara, Jaqaru (Andean) . In all these languages, personal pronominal forms are not specified for number, i.e. the form X can be used referring to a single speaker as well as to a group including the speaker. E.g. Aymaran naya (na) means ‘I, we but not you’. (For details see Hardman-de-Bautista 1974: 32-3, Hardman 1966).

FP