"Working Poor" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus,
MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure,
which enables searching at various levels of specificity.
People who are in the labor force either working or looking for work for 27 weeks or more in a year, but whose income fall below a given poverty line.
This graph shows the total number of publications written about "Working Poor" by people in this website by year, and whether "Working Poor" was a major or minor topic of these publications.
To see the data from this visualization as text, click here.