Norway
The Kindergarten Act (a revised version with latest amendments will soon be available).
https://www.regjeringen.no/globalassets/upload/kd/vedlegg/barnehager/engelsk/act_no_64_of_june_2005_web.pdf

Framework Plan for Kindergartens (Curriculum framework)
https://www.udir.no/in-english/framework-plan-for-kindergartens/

Quality system for ECEC
https://www.udir.no/in-english/Quality-in-ECEC-Schools-and-Vocationa-Education-and-training/quality-assurance-school/

Statistics
From Statistics Norway
https://www.ssb.no/en/utdanning/artikler-og-publikasjoner/_attachment/373651?_ts=16813a35da0

From the Directorate for Education and Training – Education Mirror
http://utdanningsspeilet.udir.no/2016/en/

Information from the Directorate for Education and Training in English
https://www.udir.no/in-english/

Sweden
The Swedish National Agency for Education – Skolverket
https://www.skolverket.se/andra-sprak-other-languages/english-engelska

Direct link to the English version of the curriculum:
https://www.skolverket.se/publikationsserier/styrdokument/2019/curriculum-for-the-preschool-lpfo-18?id=4049

Link to the Education Act (only in Swedish)
http://www.riksdagen.se/sv/dokument-lagar/dokument/svensk-forfattningssamling/skollag-2010800_sfs-2010-800

Statistics (only in Swedish):
https://www.skolverket.se/skolutveckling/statistik/sok-statistik-om-forskola-skola-och-vuxenutbildning?sok=SokA&vform=10

Denmark
Description of Danish ECEC-system and tradition, the process of developing the new curriculum and content (Host paper from the peer review):
https://ec.europa.eu/social/main.jsp?langId=en&catId=1024&furtherNews=yes&newsId=9221

Statistics:
https://www.dst.dk/en/Statistik/emner/levevilkaar/boernepasning

Finland
1.The Ministry of Education and Culture
webpage in English:
https://minedu.fi/en/early-childhood-education-and-care

Lag om småbarnspedagogik:
https://www.finlex.fi/sv/laki/alkup/2018/20180540

2.Finnish National Agency for Education
https://www.oph.fi/english/curricula_and_qualifications/early_childhood_education_and_care
The curriculum is unfortunately subject to charge in EnglishThe pages on Swedish:
https://www.oph.fi/utbildning_och_examina/smabarnspedagogik/nya_planerna_for_smabarnspedagogik

The Core Curriculum in Swedish is available free-of-charge:
https://www.oph.fi/lagar_och_anvisningar/laroplans-_och_examensgrunder/smabarnspedagogik/grunderna

3. Statistics on ECEC, but unfortunately in Finnish only
https://thl.fi/fi/tilastot-ja-data/tilastot-aiheittain/lapset-nuoret-ja-perheet/lasten-paivahoito

Island
Preschool Act.
https://www.government.is/media/menntamalaraduneyti-media/media/MRN-pdf_Annad/Preschool_Act.pdf

Curriculum framework Iceland
https://www.government.is/library/01-Ministries/Ministry-of-Education/Curriculum/adskr_leiksk_ens_2012.pdf

Statistics
https://statice.is/statistics/society/education/pre-primary-schools/

Teachers
https://mms.is/licence-preschool-teachers