From his site,
Being from a small city in
And from Ethnologue
Tigrigna -- A language of
Population -- 3,224,875 in
Alternate names -- Tigrinya, Tigray
Classification -- Afro-Asiatic, Semitic, South, Ethiopian, North
Language use -- National language. 146,933 second-language speakers.
Language development -- Literacy rate in first language: 1% to 10%. Literacy rate in second language: 26.5%. Ethiopic script. Radio programs. Grammar. Bible: 1956.
Comments -- Speakers are called 'Tigrai'.