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56,681 columns in the coverage ledger · read from /api/field-coverage on citytap-prod · source last observed Oct 12, 2026, 2:50 AM
3,026 datasets, 56,681 catalogued fields, 0 of them still unread. Every band below is a share of that, worst first. Open one to see its datasets.
Freshness above is about the data being current. This is about the data being understood: how many of the catalogue's fields carry a meaning we can act on, which datasets are still waiting, and how far the joinable web reaches.
| Dataset | Fields | Decided | Understood | Nobody looked | Shared terms | |
|---|---|---|---|---|---|---|
| NYPD Complaint Data Historic qgea-i56i | 40 | 40 100% | 16 | 0 | 2 | See every field |
| Three-Quarter Housing Report - Placements vntq-qu86 | 40 | 40 100% | 6 | 0 | 0 | See every field |
| DOB NOW: Electrical Permit Details xmmq-y7za | 40 | 40 100% | 3 | 0 | 0 | See every field |
| DOB NOW: Safety – Facades Compliance Filings xubg-57si | 40 | 40 100% | 7 | 0 | 2 | See every field |
| Verified Locations for NYC City-Funded Social Service Contracts - Sites y9si-s7ab | 40 | 40 100% | 8 | 0 | 4 | See every field |
| 2018-2019 School Demographic Snapshot 45j8-f6um | 39 | 39 100% | 2 | 0 | 0 | See every field |
| Citywide Mobility Survey - Day 2022 5njs-bq3c | 39 | 39 100% | 0 | 0 | 0 | See every field |
| Revised Notice of Property Value (RNOPV) 8vgb-zm6e | 39 | 39 100% | 15 | 0 | 2 | See every field |
| ACS Community Partners 9hyh-zkx9 | 39 | 39 100% | 12 | 0 | 4 | See every field |
| Street Construction Permits (2013-2021) c9sj-fmsg | 39 | 39 100% | 10 | 0 | 1 | See every field |
| 2009 Public Data File Students dh83-nwj8 | 39 | 39 100% | 2 | 0 | 0 | See every field |
| Statistical Summary Period Attendance Reporting (PAR) hrsu-3w2q | 39 | 39 100% | 3 | 0 | 1 | See every field |
| Citywide Mobility Survey - Day 2024 naav-ygga | 39 | 39 100% | 0 | 0 | 0 | See every field |
| 2009 GenEd Survey Data nenq-ccpd | 39 | 39 100% | 2 | 0 | 0 | See every field |
| 2019-20 Demographic Snapshot - School nie4-bv6q | 39 | 39 100% | 1 | 0 | 0 | See every field |
| Privately Owned Public Spaces (POPS) rvih-nhyn | 39 | 39 100% | 16 | 0 | 5 | See every field |
| 2013 - 2018 Demographic Snapshot School s52a-8aq6 | 39 | 39 100% | 1 | 0 | 0 | See every field |
| Street Construction Permits (2022 - Present) tqtj-sjs8 | 39 | 39 100% | 10 | 0 | 1 | See every field |
| 2019-20 Demographic Snapshot - Borough 2a5f-5ryi | 38 | 38 100% | 2 | 0 | 1 | See every field |
| Waterfront Public Access Areas (WPAAs) 388s-pnvc | 38 | 38 100% | 5 | 0 | 0 | See every field |
| facilities 67g2-p84d | 38 | 38 100% | 21 | 0 | 3 | See every field |
| 2019-20 Demograhic Snapshot - District 8jzu-ady5 | 38 | 38 100% | 2 | 0 | 0 | See every field |
| 2011 - 2016 Demographic Snapshot 8mzw-jfss | 38 | 38 100% | 2 | 0 | 0 | See every field |
| Department for the Aging (NYC Aging) - All Contracted Providers cqc8-am9x | 38 | 38 100% | 11 | 0 | 4 | See every field |
| Local Law 8 of 2020 – Complaints of Illegal Parking of Vehicles Operated on Behalf of the City cwy2-px8b | 38 | 38 100% | 19 | 0 | 0 | See every field |
| 2018-2019 Demographic Snapshot by District dv8j-yjt9 | 38 | 38 100% | 2 | 0 | 0 | See every field |
| 2009 District 75 Survey Data g52i-ijbe | 38 | 38 100% | 2 | 0 | 0 | See every field |
| NYC Independent Budget Office (IBO) Capital Expenditures Since 1985 hukm-snmq | 38 | 38 100% | 37 | 0 | 0 | See every field |
| 2006 - 2012 School Demographics and Accountability Snapshot ihfw-zy9j | 38 | 38 100% | 2 | 0 | 0 | See every field |
| Facilities Database ji82-xba5 | 38 | 38 100% | 23 | 0 | 4 | See every field |
| 2013 - 2018 Demographic Snapshot District m2z7-dx25 | 38 | 38 100% | 1 | 0 | 0 | See every field |
| 2009 Public Data File Students D75 ms9y-qe37 | 38 | 38 100% | 2 | 0 | 0 | See every field |
| 2016 - 2017 School Safety Report rear-wh5i | 38 | 38 100% | 9 | 0 | 5 | See every field |
| 2018-2019 Demographic Snapshot by Borough uh2w-zjsn | 38 | 38 100% | 2 | 0 | 1 | See every field |
| 2013 - 2018 Demographic Snapshot Borough v9z6-t6nq | 38 | 38 100% | 2 | 0 | 1 | See every field |
| Current Solicitations 3khw-qi8f | 37 | 37 100% | 8 | 0 | 1 | See every field |
| 2018-2019 Citywide Demographic Snapshot 3ydk-du45 | 37 | 37 100% | 1 | 0 | 0 | See every field |
| 2013-2014 - 2017- 2018 Demographic Snapshot Citywide bvzk-auuz | 37 | 37 100% | 1 | 0 | 0 | See every field |
| City Record Online dg92-zbpx | 37 | 37 100% | 13 | 0 | 1 | See every field |
| CSCL_PlowNYC dpb9-ubdh | 37 | 37 100% | 7 | 0 | 0 | See every field |
| Individual Landmark and Historic District Building Database gpmc-yuvp | 37 | 37 100% | 16 | 0 | 2 | See every field |
| Use of ARRA Stimulus Funds ivix-m77e | 37 | 37 100% | 11 | 0 | 1 | See every field |
| Recent Contract Awards qyyg-4tf5 | 37 | 37 100% | 15 | 0 | 1 | See every field |
| 2019-2020 PSAL Report - (December 2020) s6eb-zqd5 | 37 | 37 100% | 1 | 0 | 0 | See every field |
| 2013 - 2018 Demographic Snapshot u9k7-x2z3 | 37 | 37 100% | 1 | 0 | 0 | See every field |
| 2019-20 Demographic Snapshot - Citywide ycfm-qijh | 37 | 37 100% | 1 | 0 | 0 | See every field |
| 2018-2019 Local Law 120 Public School Athletic League 24ts-hbqj | 36 | 36 100% | 1 | 0 | 0 | See every field |
| OpenData_ParksProperties ghu2-eden | 36 | 36 100% | 7 | 0 | 2 | See every field |
| Rates of Intimate Partner Violence Across New York City: An Intersectional Analysis sw27-mp7d | 36 | 36 100% | 15 | 0 | 0 | See every field |
| 2018 Central Park Squirrel Census - Squirrel Data vfnx-vebw | 36 | 36 100% | 10 | 0 | 0 | See every field |
A line means a dataset carries a field tagged with a shared vocabulary term. Two datasets on the same term speak the same language about it, which is what makes a cross-dataset question possible. Sharing a term is not the same as a working join — the dataset page says whether a specific pair compiles.
Bipartite. A dimension node is a conformed-dimension family; a dataset node is a catalog dataset; an edge means that dataset carries at least one column tagged with that dimension, and names the columns that carry it.
How many of an edge's tagging columns carry a method that actually read something. Zero means the edge rests entirely on carried lexical tags.
Two datasets on the same dimension node share a vocabulary, which is weaker than a join. GET /api/datasets/{fourFour}/bindings/{partner} decides whether a specific pair compiles; executing it additionally needs both marts present.
Gaps in the data behind this page
Source last observed Oct 12, 2026, 2:50 AM.
603 of the 3,026 datasets in the catalog list no columns at all.
603 / 3,026
Source: /api/field-coverage
Check it yourself: /api/field-coverage#/catalog/datasets_no_inventory
These pages state their own gaps: /datasets, /freshness, /scorecard, /scorecard/fields, /analyses, /ontology, /graph, /alerts, any topic page under /domains, any dataset page.