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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, 1:43 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 | |
|---|---|---|---|---|---|---|
| 2015 Street Tree Census - Tree Data uvpi-gqnh | 45 | 45 100% | 18 | 0 | 6 | See every field |
| Property Valuation and Assessment Data yjxr-fw8i | 45 | 45 100% | 14 | 0 | 4 | See every field |
| DOF: Cooperative Comparable Rental Income – Queens – FY 2009/2010 ykx2-pdw8 | 45 | 45 100% | 9 | 0 | 4 | See every field |
| Parking Violations Issued - Fiscal Year 2026 9mwx-gamw | 44 | 44 100% | 2 | 0 | 0 | See every field |
| 2013 - 2014 School Locations ac4n-c5re | 44 | 44 100% | 12 | 0 | 0 | See every field |
| 2016 - 2017 School Locations ahjc-fdu3 | 44 | 44 100% | 12 | 0 | 0 | See every field |
| 2017-18 - 2021-22 Demographic Snapshot c7ru-d68s | 44 | 44 100% | 1 | 0 | 0 | See every field |
| 2012 - 2013 School Locations emnd-d8ba | 44 | 44 100% | 11 | 0 | 0 | See every field |
| 2014 - 2015 School Locations fxs2-faah | 44 | 44 100% | 13 | 0 | 0 | See every field |
| 2015 - 2016 School Locations i4ni-6qin | 44 | 44 100% | 13 | 0 | 0 | See every field |
| 2017 - 2018 School Locations p6h4-mpyy | 44 | 44 100% | 12 | 0 | 0 | See every field |
| Parking Violations Issued - Fiscal Year 2027 pvqr-7yc4 | 44 | 44 100% | 2 | 0 | 0 | See every field |
| Parking Violations Issued - Fiscal Year 2017 2bnn-yakx | 43 | 43 100% | 1 | 0 | 0 | See every field |
| Public Design Commission Outdoor Public Art Inventory 2pg3-gcaa | 43 | 43 100% | 21 | 0 | 1 | See every field |
| NYCHA Resident Data Book Summary 5r5y-pvs3 | 43 | 43 100% | 4 | 0 | 0 | See every field |
| Parking Violations Issued - Fiscal Year 2022 7mxj-7a6y | 43 | 43 100% | 1 | 0 | 0 | See every field |
| Parking Violations Issued - Fiscal Year 2023 869v-vr48 | 43 | 43 100% | 2 | 0 | 0 | See every field |
| Parking Violations Issued - Fiscal Year 2024 8zf9-spf8 | 43 | 43 100% | 2 | 0 | 0 | See every field |
| Speed Reducer Tracking System (SRTS) 9n6h-pt9g | 43 | 43 100% | 12 | 0 | 1 | See every field |
| Parking Violations Issued - Fiscal Year 2018 a5td-mswe | 43 | 43 100% | 2 | 0 | 0 | See every field |
| Parking Violations Issued - Fiscal Year 2015 c284-tqph | 43 | 43 100% | 1 | 0 | 0 | See every field |
| Parking Violations Issued - Fiscal Year 2019 faiq-9dfq | 43 | 43 100% | 2 | 0 | 0 | See every field |
| NYC Independent Budget Office (IBO) State And Federal Categorical Aid, FY 1980 - 2020 fu34-wamz | 43 | 43 100% | 3 | 0 | 0 | See every field |
| Parking Violations Issued - Fiscal Year 2014 jt7v-77mi | 43 | 43 100% | 2 | 0 | 0 | See every field |
| Parking Violations Issued - Fiscal Year 2016 kiv2-tbus | 43 | 43 100% | 3 | 0 | 0 | See every field |
| Parking Violations Issued - Fiscal Year 2021 kvfd-bves | 43 | 43 100% | 2 | 0 | 0 | See every field |
| Parking Violations Issued - Fiscal Year 2025 m5vz-tzqv | 43 | 43 100% | 2 | 0 | 0 | See every field |
| Parking Violations Issued - Fiscal Year 2020 p7t3-5i9s | 43 | 43 100% | 3 | 0 | 0 | See every field |
| The relationship between domestic violence and shooting incidents in New York City rvmf-4sg6 | 43 | 43 100% | 10 | 0 | 0 | See every field |
| 2020-2021 Demographic Snapshot School vmmu-wj3w | 43 | 43 100% | 2 | 0 | 0 | See every field |
| Bike Share Inspections (Historical) 5uei-swth | 42 | 42 100% | 4 | 0 | 0 | See every field |
| NYC Independent Budget Office (IBO) Revenue And Spending Summary FY 1980 - FY 2020 7zhs-43jt | 42 | 42 100% | 7 | 0 | 0 | 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 |
| 2020-2021 Demographic Snapshot District mc73-t4fs | 42 | 42 100% | 1 | 0 | 0 | See every field |
| BIC Complaints Inquiries p2d7-vcsb | 42 | 42 100% | 17 | 0 | 3 | See every field |
| NYC Independent Budget Office (IBO) Full Time Positions in city government, by fiscal year uaj7-9szf | 42 | 42 100% | 0 | 0 | 0 | See every field |
| 2020-2021 Demographic Snapshot Borough vquv-pjuh | 42 | 42 100% | 2 | 0 | 1 | See every field |
| NYC Independent Budget Office (IBO) Non- Tax Revenues FY 1980 - FY 2020 ypbd-r4kg | 42 | 42 100% | 8 | 0 | 0 | See every field |
| NYPD Complaint Data Current (Year To Date) 5uac-w243 | 41 | 41 100% | 17 | 0 | 2 | See every field |
| ARCHIVE - Greenstreets aaqu-mkmi | 41 | 41 100% | 8 | 0 | 0 | See every field |
| NYC Service: Volunteer Opportunities (Historical) bquu-z2ht | 41 | 41 100% | 7 | 0 | 1 | See every field |
| Affordable Housing Production by Building hg8x-zxpr | 41 | 41 100% | 14 | 0 | 6 | See every field |
| 2020-2021 Demographic Snapshot Citywide smka-gz6w | 41 | 41 100% | 1 | 0 | 0 | See every field |
| 2019 - 2020 School Locations wg9x-4ke6 | 41 | 41 100% | 18 | 0 | 1 | See every field |
| Housing Maintenance Code Violations wvxf-dwi5 | 41 | 41 100% | 21 | 0 | 3 | See every field |
| 2015 - 2016 Audited Register Data 2pmj-y4p4 | 40 | 40 100% | 2 | 0 | 0 | See every field |
| Forestry Planting Spaces 82zj-84is | 40 | 40 100% | 10 | 0 | 2 | See every field |
| NYC Independent Budget Office (IBO) Agency Expenditures FY 1980 - 2018 cwjy-rrh3 | 40 | 40 100% | 39 | 0 | 0 | See every field |
| Survey Findings from the NYC Healthy Relationship Training Academy - TechnoLOVE Workshop jp5w-5njc | 40 | 40 100% | 0 | 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, 1:43 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.