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56,681 columns in the coverage ledger · read from /api/field-coverage on citytap-prod · source last observed Oct 10, 2026, 6:03 PM
3,026 datasets, 56,681 catalogued fields, 9,808 of them still unread. Every band below is a share of that, worst first. Open one to see its datasets.
Gaps in the data behind this page
Source last observed Oct 10, 2026, 6:00 PM.
710 of the 3,026 datasets in the catalog hold no queryable rows.
710 / 3,026
Source: /api/field-coverage
Check it yourself: /api/field-coverage#/catalog/datasets_mart_declared
48 of the 2,408 mirrored datasets lag the source they copy.
48 / 2,408
Source: /api/scorecard
Check it yourself: /api/scorecard#/mirror_lag/datasets_behind
This note returns on its own when the measurement moves.
These pages state their own gaps: /datasets, /freshness, /scorecard, /scorecard/fields, /analyses, /ontology, /graph, /alerts, any topic page under /domains.
Read how the city budgets, spends, and reports money.
Showing 12 of 12 datasets
The OpenRecords Requests dataset consists of information about FOIL Requests including Agency name, date created, date closed, due date, status. For further details visit the OpenRecords portal at htt…
Metadata for documents submitted to the Department of Records and Information Services in compliance with Section 1133 of the New York City Charter.
Metadata for documents submitted to the Department of Records and Information services which are required by legislation.
The dataset is an index to digitized historical marriage certificates from 1866-1937 from all 5 NYC boroughs. Details about certificates in DORIS's collection and their digitization status can be foun…
The dataset is an index to digitized historical birth certificates from 1855-1909 from all 5 NYC boroughs. Details about certificates in DORIS's collection and their digitization status can be found o…
The dataset is an index to digitized historical death certificates from 1862-1948 from all 5 NYC boroughs. Details about certificates in DORIS's collection and their digitization status can be found o…
The dataset is an index to digitized historical marriage licenses from 1908-1949 from all 5 NYC boroughs. Details about certificates in DORIS's collection and their digitization status can be found on…
The dataset contains the metadata provided on the NYC Honorary Street Names Map. The dataset will include City Council Introduction Number, the local law enactment number and date, category of change,…
The dataset contains the metadata provided on the NYC Honorary Street Names Map. The dataset will include City Council Introduction Number, the local law enactment number and date, category of change,…
Accession / Acquisition data details groups of records that are transferred from City agencies and donors through a records management disposition process. It typically includes the originating agency…
Digital objects are used to link born-digital or digitized content of archival collections. The data is collected from an archival management or archival preservation system. The data can be used to a…
Resources represent descriptions of collections and detail the Creators, dates, historical/biographical description, extent and formats available (boxes, folders, photographs, maps, volumes, digital o…