• Population, 2021 [map]
• Change in the population in the Barents Region 2018/2021 [map]
• Border Crossings 2019 [map]
  
• ArcticStat - public and independent statistical database dealing with the countries, regions and populations of the Circumpolar Arctic.     
• Polar Peoples in the Future: Projections of the Arctic Populations, Nordregio Working Paper 2020:3.
  

Finland

• Statistics Finland
• Statistical information on welfare and health in Finland - see for example: Population in Lapland 2018 and 2019.
• Findicator - set of indicators for social progress - Findikaattori - yhteiskunnan kehityksen indikaattorikokoelma
• Lapin luotsi / Lappi nyt -tilastopalvelu - statistics from Lapland, only in Finnish
  
• Regional Council of Oulu Region -  in Finnish.
• Regional Council of Kainuu - in Finnish.
• Regional Council of North Karelia - in Finnish.
  
• Border crossing statistics from the Finnish Lapland
• Border traffic and road statistics
  
• Population in the Finnish Barents region counties in 2019  
  
• Structure of the labour force in the Finnish Barents region counties 2017
  

Norway

• Statistics Norway - Statistisk Sentralbyrå - population, economics, labor, etc. 
  • Population by age and municipality
  • Population and land area in urban settlements 
• Troms og Finnmark - Fakta, kart og statistikk
• Nordland county statistics
  

Russia

• Russian Federal state statistics service
• Murmansk Stat - main statistical indicators (in Russian)
• Department of State Population Placement Service of the Arkhangelsk region
• Republic of Komi - review of the economical structure and statistics on economy
• RUSGATE - statistics and reports from Russia, only in Finnish
• Slavic-Eurasian Studies Web. Link collection. Sources of data for Russian, Post-Soviet Countries and East-European studies. Statistics, databases, general information, libraries & collections and research institutes. Information mostly in English.
• State Committee of the Russian Federation on Statistics - Goskomstat. Statistics of Russia in the following areas: General characteristics, agriculture, population, labour market, industry, living standards of population and social sphere, investments, construction, trade and services, transport and communications, finances, prices and tarifs, external economic activities, production and use of GDP. Information in English and Russian.
• Federal State Statistics Service of Arkhangelsk Region - Official website of the Arkhangelsk electoral commission.
• Statistics Service of the Murmansk Region - demography, economy, trade, environment, prices.

Sweden

• Regionfakta.com - statistics from regions and communes
• Statistics Sweden - Statistiska Centralbyrån SCB  
• Swedish Statistics Net
  
• Kommundatabasen RKA. Information about population, studies, health care, taxes and
  household finances. [only in Swedish]. 

International statistics

• OECD statistics portal - for example: agriculture and fisheries, demography and population, development, education, energy, environment, finance, health, industry and services, ICT, trade, labour, transport etc. Also statistics from non-member economies.
• EUROSTAT - statistical office for the European Union
• International Transport Forum - statistics and data