JSON + CSV
Typed rows, filtered exports, and confidence labels.
Data infrastructure / open access
Public data catalog
Download the records behind the research, including market shares, concentration measures, official events, and source references. Coverage and missing values are documented for each dataset.
Open data observatory
Source records move through market definitions, concentration calculations, confidence labels, and public data endpoints — 45 source records, 12 market profiles, 235808 record rows plus a 1 row summary endpoint across 62 API endpoints.
Record rows
235,808
Sources
45
Endpoints
62
Bulk library55 endpoint families + schemasJSONmetadata + rowsCSVspreadsheet exportAPI Labrun + copy requestsNotebooklineage and analysis handoff
Aug 15, 2026
Latest source review
62
Dataset families
4
Source types
Public data access
Use the observatory data directly.
Public-interest exploration needs the underlying data to be inspectable. These JSON and CSV endpoints expose the same public records that power profiles, rankings, reports, and the evidence ledger.
Active query packet
Business dynamism routes to 5520 rows with JSON, CSV, notebook, and citation reuse.
Route 100%Full dataset
All public rows are available for audit, download, or reuse.
/api/public/business-dynamism62
Datasets
Aug 2026
Freshness
Dataset finder
dataset rows
Source scope
Report scope
Active endpoint
DatasetsChoose dataset
62 of 62 dataset families
Selected dataset
Business dynamism
Official Census BDS establishment entry and exit, job creation and destruction, net job creation, and employment reallocation rates for the United States and 19 NAICS sectors from 1978 through 2023.
Endpoint rows
5520
Scope
Full public dataset
dataset rows
5520
endpoint rows
5520
dataset rows
5520
source
all
report
all
fields
20
Use this endpoint's dataset-specific filters rather than market scope.
Business dynamism declares source custody in its endpoint contract.
Business dynamism has no shared market-report parameter.
Open data needs public interpretation.
The API is a starting point, not a legal conclusion. Pair downloads with methodology notes, source records, and the data-gaps report when citing market concentration.