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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, 10:17 PM
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.
Filtered to datasets carrying bbl. Clear
| Dataset | Fields | Decided | Understood | Nobody looked | Shared terms | |
|---|---|---|---|---|---|---|
| DOF: Cooperative Comparable Rental Income – Queens – FY 2008/2009 cwg5-cqkm | 45 | 45 100% | 9 | 0 | 4 | See every field |
| DOF: Cooperative Comparable Rental Income – Brooklyn – FY 2010/2011 f42p-xqaa | 45 | 45 100% | 8 | 0 | 3 | See every field |
| DOF: Cooperative Comparable Rental Income – Bronx – FY 2008/2009 gahm-hu5h | 45 | 45 100% | 9 | 0 | 4 | See every field |
| DOF: Cooperative Comparable Rental Income – Manhattan– FY 2010/2011 jxyc-rxiv | 45 | 45 100% | 8 | 0 | 3 | See every field |
| DOF: Cooperative Comparable Rental Income – Manhattan– FY 2009/2010 niy5-4j7q | 45 | 45 100% | 8 | 0 | 3 | See every field |
| DOF: Cooperative Comparable Rental Income – Bronx – FY 2010/2011 qbce-2kcu | 45 | 45 100% | 8 | 0 | 4 | See every field |
| DOF: Cooperative Comparable Rental Income – Queens – FY 2010/2011 r4s5-tb2g | 45 | 45 100% | 10 | 0 | 4 | See every field |
| DOF: Cooperative Comparable Rental Income – Brooklyn – FY 2009/2010 tyfh-9h2y | 45 | 45 100% | 8 | 0 | 3 | See every field |
| DOF: Cooperative Comparable Rental Income – Queens – FY 2009/2010 ykx2-pdw8 | 45 | 45 100% | 9 | 0 | 4 | See every field |
| NYC Clean Heat Dataset (Historical) 8isn-pgv3 | 42 | 42 100% | 12 | 0 | 4 | See every field |
| Local Law 44 Disqualified List 9s68-zggy | 42 | 42 100% | 30 | 0 | 6 | See every field |
| BIC Complaints Inquiries p2d7-vcsb | 42 | 42 100% | 17 | 0 | 3 | See every field |
| Affordable Housing Production by Building hg8x-zxpr | 41 | 41 100% | 14 | 0 | 6 | See every field |
| ACS Community Partners 9hyh-zkx9 | 39 | 39 100% | 12 | 0 | 4 | See every field |
| Privately Owned Public Spaces (POPS) rvih-nhyn | 39 | 39 100% | 16 | 0 | 5 | See every field |
| Department for the Aging (NYC Aging) - All Contracted Providers cqc8-am9x | 38 | 38 100% | 11 | 0 | 4 | See every field |
| 2016 - 2017 School Safety Report rear-wh5i | 38 | 38 100% | 9 | 0 | 5 | See every field |
| Mayor’s Office to End Domestic and Gender-Based Violence Resource Directory 5ziv-wcy4 | 35 | 35 100% | 8 | 0 | 5 | See every field |
| Housing Maintenance Code Violations NYCHA properties im9z-53hg | 35 | 35 100% | 16 | 0 | 7 | See every field |
| LinkNYC Kiosk Status (Historical) quxm-hmyr | 35 | 35 100% | 17 | 0 | 7 | See every field |
| 2010 - 2016 School Safety Report qybk-bjjc | 34 | 34 100% | 13 | 0 | 4 | See every field |
| Department for the Aging (NYC Aging) - Social Adult Day Care Services 32cj-z7va | 33 | 33 100% | 11 | 0 | 5 | See every field |
| Street Seats (2014 - 2019) d83i-6us7 | 32 | 32 100% | 15 | 0 | 5 | See every field |
| Food Scrap Drop-Off Locations in NYC if26-z6xq | 32 | 32 100% | 10 | 0 | 7 | See every field |
| Weights, Measures, and Other Tests 8fei-z6rz | 31 | 31 100% | 16 | 0 | 5 | See every field |
| TLC Authorized Behind The Wheel Providers (Historical) auuc-fqzi | 31 | 31 100% | 11 | 0 | 4 | See every field |
| Leaning Bars (Historical) iaig-3vs5 | 31 | 31 100% | 13 | 0 | 5 | See every field |
| BIC Issued Violations upii-frjc | 31 | 31 100% | 13 | 0 | 3 | See every field |
| Value of Energy Cost Savings Program Savings for Businesses bug8-9f3g | 30 | 30 100% | 13 | 0 | 5 | See every field |
| Pharmaceutical and Syringe Drop-Off Locations in NYC edk2-vkjh | 30 | 30 100% | 12 | 0 | 6 | See every field |
| 2019 Pre-Kindergarten Admissions Guide fp78-wt5b | 30 | 30 100% | 19 | 0 | 6 | See every field |
| NYC Community Boards ruf7-3wgc | 30 | 30 100% | 11 | 0 | 4 | See every field |
| Street Seats (2021 - 2024) 5ar6-qxhs | 29 | 29 100% | 17 | 0 | 7 | See every field |
| Local Law 7-2018 Qualified Transactions 8wi4-bsy4 | 29 | 29 100% | 11 | 0 | 6 | See every field |
| Speculation Watch List adax-9mit | 29 | 29 100% | 12 | 0 | 6 | See every field |
| TLC Driver Education 24 Hour Course Providers wzur-rhz9 | 29 | 29 100% | 13 | 0 | 7 | See every field |
| Latin Cultural Organizations 799n-b76v | 28 | 28 100% | 10 | 0 | 4 | See every field |
| Financial Empowerment Centers dt2z-amuf | 28 | 28 100% | 13 | 0 | 5 | See every field |
| DCWP Inspections jzhd-m6uv | 28 | 28 100% | 15 | 0 | 5 | See every field |
| DOHMH Health Map - Hepatitis nk7g-qeep | 28 | 28 100% | 12 | 0 | 7 | See every field |
| Latin Media Organizations 9z9b-6hvk | 27 | 27 100% | 10 | 0 | 2 | See every field |
| TLC Authorized Wheelchair Passenger Assistance Training Providers ayeb-p4mv | 27 | 27 100% | 11 | 0 | 7 | See every field |
| DARP-ROTOW Enrollment Status of Active Tow Truck Companies q5u8-89nv | 27 | 27 100% | 10 | 0 | 4 | See every field |
| NYC Veteran Owned Businesses ybdk-jmnn | 27 | 27 100% | 10 | 0 | 4 | See every field |
| NYCHA Residential Addresses 3ub5-4ph8 | 26 | 26 100% | 9 | 0 | 5 | See every field |
| Wholesale Markets 87fx-28ei | 26 | 26 100% | 11 | 0 | 3 | See every field |
| Older Adult Center (OAC) Activities fzy4-e84j | 26 | 26 100% | 12 | 0 | 6 | See every field |
| Register of Community Board Budget Requests vn4m-mk4t | 26 | 26 100% | 12 | 0 | 7 | See every field |
| Electronics Drop Off Locations in NYC wshr-5vic | 26 | 26 100% | 12 | 0 | 8 | See every field |
| Capacity Supporting Transportable Classroom Units (TCU) Removals 32rn-zwi7 | 25 | 25 100% | 15 | 0 | 8 | 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 10, 2026, 10:17 PM.
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.