Universal 1445:

Original: In an overwhelming majority of languages, there is a special form to denote the metaperson ‘hearer’ in the singular.
Standardized: In an overwhelming majority of languages, there is a special form to denote the metaperson ‘hearer’ in the singular.
Keywords: personal pronoun, person, 2nd, hearer, number, singular
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: 91, U 7

Counterexamples: Khmer (Mon-Khmer, Austroasiatic), Kawi (=Old Javanese), Javanese (both Sundic, W. Malayo-Polynesian), Nimboran (Trans-New Guinea), Thai (Daic, Austroasiatic), Sioux (Siouan), Siyin (Burmic, Sino-Tibetan), Haitian, Martinique (both Creole, French-based), Sranan (Creole, English-based), some Spanish dialects spoken in America, Aleut (Eskimo-Aleut) (Sokolovskaja 1980);Aymara, Jaqaru (Andean), where personal pronominal forms are not specified for number, i.e. the form X can be used referring to ‘hearer(s) + non-participant(s)’, ‘hearer’ in non-singular, as well as to ‘hearer’ in singular. E.g. Aymara YUMA means ‘thou, you’ (for details see Hardman-de-Bautista 1974: 32-3, Hardman 1966) (EF)

FP