Main page: Wikipedia:Vital articles
Vital articles are lists of subjects for which the English Wikipedia should have corresponding high-quality articles. They serve as centralized watchlists to track the quality status of Wikipedia's most important articles and to give editors guidance on which articles to prioritize for improvement.
Vital articles level 1 – 10 most important articles
Vital articles level 2 – 100 most important articles
Vital articles level 3 – 1,000 most important articles
Vital articles level 4 – 10,000 most important articles
Vital articles level 5 – 50,000 most important articles