The demography of Alderney is analysed by the States of Alderney and produced in Census reports.
A Census was lasted held in 2013 however more recently eCensus demographics are compiled annually using various Bailiwick of Guernsey databases.
[1] As of 2017 the population of the island was estimated via the eCensus to be 1,985 with a seasonal population of over 3,000 during the summer because of tourism.
[2] Gender disparity on the island is calculated by the Social Security Department and published in the annual eCensus report.
Since 2008 Alderney has had a majority female population which has fluctuated between 50.5% and 51.4%.