Data Methodology
The not-so-secret sources behind the data
84 articles
- Lightcast Data: Basic Overview
- What's the Complete List of Sources Lightcast Uses?
- What's the Complete List of Sources Lightcast Uses in US data?
- What's the Complete List of Sources Lightcast Uses in Canada?
- What's the Complete List of Sources Lightcast Uses in UK data?
- Overview of Lightcast DatarunsUS, UK, CA, Global
- Annual Turnover Rate Methodology
Release Notes
All the details on datasets, live taxonomies, and methodology changes across Analyst
Labor Market Information (LMI)
Deeper details on Lightcast's datasets from public data sources
- Labor Force Participation Rate
- Census Tract Methodology
- Hires Methodology
- Occupation Employment Process
- Industry Projections Methodology
- Understanding Shift Share
- Job Openings Data
- Compensation Model Documentation
- Place of Residence Data
- ZIP-Level Employment Data
- Lightcast OES Time Series Data Overview
- Lightcast's Gross Regional Product (GRP) Methodology
- Unemployment Data
- Industry and Occupation Diversity Methodology
- City MethodologyThis article is an overview of the city level data added to the Analyst & Developer platforms.
- Lightcast’s Canada Data Process OverviewHow Lightcast collects and combines LMI data sources and dimensions for Canada
Postings
Details on Lightcast job postings sources and methodology
- Job Posting Analytics (JPA) Methodology
- Occupations Classification Methodology
- Job Titles classificationLightcast Job Titles classification - How it works.
- Expected Posting Count Changes - UK 2025
- Expected Posting Count Changes - Canada 2025Changes to Geocoding and Volumes in the Canada Postings
- Hot and Cold Skills by Job PostingsMethodology behind the report
- Improvements to Lightcast Job TitlesImprovements to Raw titles are standardized to these titles.
- Location classification in Lightcast dataHow does Lightcast classify location to our postings data?
- Job seniorityLightcast categorizes individual postings based on whether they specify that a particular job is "senior" or "junior".
- Geocoding in the Australia and New Zealand Postings - Sept 2025Changes for locations to Google Geocoding in the Australia and New Zealand Postings resulting in a posting volume increase
- Further updates to Geocoding in the Australia and New Zealand Postings - Dec 2025
- STARs Methodology & FAQs
- STARs Relevant Job Postings
- Improved Geocoding in the Australia and New Zealand Postings - August 2026
Taxonomies
Information about the Taxonomies that Lightcast encodes data to.
- Lightcast NAICS
- International Standard Classification of Education (ISCED)The international taxonomy of qualification levels
- CIPS, SOCs, NOCs, and their Relationship
- Lightcast Job TitlesLightcast maintains an extensive library of over 75,000 job titles. Raw titles are standardized to these titles.
- What are the Definitions of IPEDS' Award and Degree Levels?
- Lightcast Skills: Taxonomy, Methodology and Skills v10This article covers how the skills taxonomy is structured, what changes in version 10, and how skills are classified in English and non-English (Global) job postings and profiles.
- Understanding Job Title vs Occupation
- Benefits TaxonomyLightcast offers data on benefits offered in US job postings.
Companies
All the information about Lighcast Companies
Additional Data Sets
Data from third-party providers and partners included across the platform
Lightcast Data Models
Details on models applied to Lightcast datasets