On 1 January 2016, the population of Estonia was estimated at 1,315,944. Compared to 2015, this was 2,673 persons fewer. In 2015, natural increase was negative, as the number of deaths exceeded the number of births by 1,336. In external migration, immigration exceeded emigration by 2,410 persons. A part of the population increase (1,599) was due to the adoption of a new methodology, which revealed that there are more people living in Estonia than previously thought. The natural increase of Estonians was positive in 2008–2012, but since 2013 this indicator has been negative as well. In 2015, 80 more Estonians died than were born. Among counties, Harju and Tartu counties experienced population growth as a result of migration and positive natural increase. Both the net migration and natural increase were positive in these counties. The number of inhabitants grew the most in Tallinn. In absolute terms, the number of inhabitants dropped the most in Ida-Viru county (by 2,145), while the biggest percentage decline was recorded in Põlva, Valga and Hiiu counties (–1.5...–1.7%). In most counties, population decreased mainly due to migration. Pärnu and Viru counties were the only ones where the population decline due to migration was slightly smaller than the decline resulting from the difference between the number of births and deaths.