As per the 2012 revision of UN 's World Population Prospects , Demographics of Eritrea were below 5.75 million before 2011 .
According to the 2012 revision of the UN 's World Population Prospects , the total population of Eritrea was at 5.74 million in 2010 ( compared to 3.27 million in 1990 ) .Population growth rate during 2005–2010 was estimated at 3.2 % p.a .