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56,681 columns in the coverage ledger · read from /api/field-coverage on citytap-prod · source last observed Oct 11, 2026, 11:41 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 council_district. Clear
| Dataset | Fields | Decided | Understood | Nobody looked | Shared terms | |
|---|---|---|---|---|---|---|
| Schoolyard to Playgrounds bbtf-6p3c | 14 | 14 100% | 2 | 0 | 1 | See every field |
| Directory Of DHS Contacts cete-9g3v | 14 | 14 100% | 9 | 0 | 5 | See every field |
| Permitted Nonpotable Wells gnyq-kf2y | 14 | 14 100% | 9 | 0 | 5 | See every field |
| Directory Of Homebase Locations ntcm-2w4k | 14 | 14 100% | 7 | 0 | 4 | See every field |
| Manhattan Community Garden Sites Data qrb4-aqtx | 14 | 14 100% | 9 | 0 | 5 | See every field |
| Recognized Shop Healthy Stores ud4g-9x9z | 14 | 14 100% | 11 | 0 | 6 | See every field |
| Police- Community Relations Awards 2016 w38c-pyzq | 14 | 14 100% | 9 | 0 | 5 | See every field |
| Pre-K Project Site Location 4zdr-zwdi | 13 | 13 100% | 8 | 0 | 7 | See every field |
| Tax Lien Sale Lists 9rz4-mjek | 13 | 13 100% | 7 | 0 | 3 | See every field |
| Directory Of Homeless Drop- In Centers bmxf-3rd4 | 13 | 13 100% | 7 | 0 | 4 | See every field |
| NYC Parks Spray Showers ckaz-6gaa | 13 | 13 100% | 2 | 0 | 1 | See every field |
| Safe Routes to Schools - Priority Schools pc34-d3sx | 13 | 13 100% | 9 | 0 | 5 | See every field |
| Borough Enrollment Centers (Additional Ways To Graduate) yj3u-pw36 | 13 | 13 100% | 8 | 0 | 5 | See every field |
| 3K Projects by Site Locations yv4m-nu6d | 13 | 13 100% | 10 | 0 | 7 | See every field |
| Off-Year and Special Elections Public Matching Fund Payments 7f4s-uwi7 | 12 | 12 100% | 8 | 0 | 1 | See every field |
| Campaign Public Funds Payments u69g-mvrb | 12 | 12 100% | 9 | 0 | 1 | See every field |
| Verified Locations for NYC City-Funded Social Service Contracts FY2018 (Location) 29km-avyc | 11 | 11 100% | 7 | 0 | 5 | See every field |
| 2015 2016 Local Law 60 Room Detail f5zq-eacn | 11 | 11 100% | 4 | 0 | 2 | See every field |
| NYC Fire Department Building Vacate List n5xc-7jfa | 11 | 11 100% | 9 | 0 | 3 | See every field |
| NYC Parks Pools y5rm-wagw | 11 | 11 100% | 4 | 0 | 2 | See every field |
| 2017-2018 Health Education Report MS (54) - School gk67-cwwz | 10 | 10 100% | 2 | 0 | 1 | See every field |
| SY2021 Local Law 60 Annual Report ix3t-6s7r | 10 | 10 100% | 4 | 0 | 3 | See every field |
| 2015 2016 Local Law 60 Summary mmvm-mvi3 | 10 | 10 100% | 4 | 0 | 2 | See every field |
| SY2017-2018 Local Law 60 Annual Report urz8-dybm | 10 | 10 100% | 4 | 0 | 3 | See every field |
| 2015 - 2016 Local Law 60 Meal Periods vgmz-py3h | 10 | 10 100% | 3 | 0 | 2 | See every field |
| 2015 2016 Local Law 60 Bathroom& Non- Instructional Space vimb-anc6 | 10 | 10 100% | 2 | 0 | 2 | See every field |
| 2016 - 2017 Local Law 60 Bathroom& Non- Instructional Space wrvm-32h2 | 10 | 10 100% | 3 | 0 | 3 | See every field |
| 2016-2017 Local Law 15 K-12 Health Data - Health Instructor 2gcj-p28u | 9 | 9 100% | 3 | 0 | 1 | See every field |
| 2016 - 2017 Health Education Instructor Report 9wwd-tgzc | 9 | 9 100% | 3 | 0 | 1 | See every field |
| Transportable Classroom Units- Buildings & Schools gshi-yqza | 9 | 9 100% | 2 | 0 | 1 | See every field |
| 2015-16 Local Law 15 Health Data - Licensed Health Instructors qa4d-xc73 | 9 | 9 100% | 3 | 0 | 1 | See every field |
| 2017-2018 Local Law Licensed Health Instructor - School xy2j-nm7j | 9 | 9 100% | 2 | 0 | 1 | See every field |
| 2017-2018 Health Education Report MS (54) - City Council District dmuj-yrxd | 7 | 7 100% | 1 | 0 | 1 | See every field |
| 2013 - 2014 Arts Report h5j6-bv4u | 7 | 7 100% | 2 | 0 | 1 | See every field |
| 2018 Local Law 163 TASC Report a2pm-dj2w | 6 | 6 100% | 2 | 0 | 2 | See every field |
| 2015-16 Health Education K-12 - Health Instructors nhak-36my | 6 | 6 100% | 3 | 0 | 1 | See every field |
| 2015-16 Local Law 15 Health Data - K-12 Health Instructors eyk3-bhe9 | 5 | 5 100% | 2 | 0 | 1 | See every field |
| Civil Service Exams for NYCHA Residents - Local Law 163 vyk9-wyct | 5 | 5 100% | 4 | 0 | 2 | See every field |
| City Council Districts 872g-cjhh | 4 | 4 100% | 1 | 0 | 1 | See every field |
| City Council Districts (Water Areas Included) mkqi-d8x3 | 4 | 4 100% | 1 | 0 | 1 | See every field |
| High School Equivalency (HSE) Diplomas Awarded to NYCHA Residents by Council District – Local Law 163 i6ds-scnc | 3 | 3 100% | 2 | 0 | 1 | See every field |
| 2015-16 Local Law 15 Health Data K-12 Health Instructor CCD 3pzk-fyqp | 2 | 2 100% | 1 | 0 | 1 | See every field |
| 2017-2018 Local Law 15 Health Instructor - City Council District shsq-aapc | 2 | 2 100% | 1 | 0 | 1 | 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 11, 2026, 11:41 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, any dataset page.