Nyika yeEritrea ine marudzi mazhinji evanhu, kune marudzi mapfumbamwe ane anozivikanwa ane makonzwa. Nyika iyi ine hugari hwevanhu mamirioni matanhatu. Vagari vemo vazhinji vanotaura misaku yemitauro yeAsia neAfrica iri mitauro yezvizvarwa zveMhuri dzaShem neMhuri dzaCush. Marudzi eVaTigrinya ane zvizvarwa zvinokwana kusvika 55% yehugari hwevanhu, ayawo marudzi eVaTigre achibata chikamu chinosvika 33% yevagari muEritrea. Kunoitawo marudzi ezvidza zveNile vane mitauro yenharaunda yeNile-Sahara. Vagari vazhnji veEritrea vanotecedza zvitendero zvechiKristu nechiIslam.