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Mamdani's First 100 Days

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Urban Policy April 2026

Lessons from Mamdani's First 100 Days

Data and charts from NYCuriosity's coverage of the April 7, 2026 transition team panel. Panelists from DOC, DOT, NYC Employment and Training, CACF, and the Marron Institute discussed Rikers' closure math, subway expansion priorities, school funding inequity, and DOT's mandate gaps.

7,067 Rikers avg. daily population (March 2025)
3,300 Planned borough jail bed capacity
167,064 Housing units unlocked by Better Billion plan
62% Of NYC curb miles dedicated to car storage

Charts in this post

Line Chart
Rikers Population vs. Borough Jail Capacity
The average daily Rikers population has climbed to 7,067, more than twice the planned 3,300-bed capacity of the four new borough jails. The gap is the central obstacle to closing Rikers Island.
2019–2025 · 2 reference lines Explore →
Table
A Better Billion: All 12 Proposed Projects
All 12 subway expansions in the NYU Marron Institute plan, 41 new miles, 64 new stations, 167,064 housing units over 40 years, with housing, cost, stations, and bus ridership for each corridor.
12 projects · sortable Explore →
NYC DOE BUDGET BY SOURCE City 55% State 33% Federal: 11% — most vulnerable to federal cuts
Bar Chart
NYC School Funding by Source
How NYC's $38B DOE operating budget is split between city, state, and federal dollars, and why the 11% federal share represents the most politically vulnerable piece, especially for Title I schools.
FY2023 · 4 funding sources Explore →
NYC CURB MILES BY USE Car storage 62% Transit infra 5%
Bar Chart
How NYC Uses Its Curb Space
About 62% of NYC's 12,000 linear curb miles are dedicated to storing cars. Only 5% supports protected bike or bus infrastructure, the real estate constraint the new DOT leadership inherits.
9 use categories · ~12,000 mi total Explore →