Public evidence infrastructure
Data Availability Atlas
Check the subjects, places, and periods covered by each dataset. Observation periods are shown separately from the dates sources were accessed.
- Evidence systems
- 206 domains
- Dated rows
- 195,543observed coverage
- Observed years
- 801947-2026
- Source records
- 43checked through Aug 15, 2026
Availability console
Inspect the coverage that is actually encoded.
Observed rows by evidence domain, geography, coverage pattern, and year, with profile routes and source custody preserved for every system.
| Evidence system | 1947 | 1948 | 1949 | 1950 | 1951 | 1952 | 1953 | 1954 | 1955 | 1956 | 1957 | 1958 | 1959 | 1960 | 1961 | 1962 | 1963 | 1964 | 1965 | 1966 | 1967 | 1968 | 1969 | 1970 | 1971 | 1972 | 1973 | 1974 | 1975 | 1976 | 1977 | 1978 | 1979 | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
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Business formation
Official seasonally adjusted monthly Census business applications and four-quarter employer formations, with actual, projected, and spliced formation lineage preserved.
- Observed period
- 2017-2026 / monthly series slots
- Encoded rows
- 8,280
- Coverage
- Longitudinal
- Source check
- Aug 14, 2026
Encoded vintages
Source custody
1 recordScope: 115 months across the United States, 51 state jurisdictions, and 20 national industry buckets; 12 source cells remain suppressed
Business Formation Statistics describe selected EIN applications and employer formations traced from those application cohorts. An application is not an operating business, a projected formation is not an observed startup in the publication month, and a state or industry count is not a rate. These series do not measure concentration, market power, legal antitrust markets, welfare, competitive effects, or policy causation.
Source custody
Recent source checks across the inventory.
Access dates document observatory custody. The source dossier records citation text, publisher, license posture, linked markets, and encoded uses.
Availability standard