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End The Wait Ontario's canonical $385M annual OAP funding gap comes from the Financial Accountability Office's 2020 estimate that $1.35B per year was needed to deliver autism services at 2018-19 levels for 40,700 children, minus the $965M budgeted for 2026-27. Other estimates use different baselines, including current need for 91,974 registered children.
When you write to an MPP or a journalist, lead with the smaller, more conservative figure rather than a larger scenario estimate, since a number tied to an independent oversight body is harder for an official to dismiss. Name the source in the same sentence as the number, since an unattributed dollar figure invites a fact-check request before your actual point gets read. Check the current provincial budget each year before repeating any gap figure, since a new allocation can shift the math even when the underlying need estimate has not been updated. If someone quotes a much larger number back at you, ask which baseline they are using, since the same underlying shortage produces very different totals depending on whether it is measured against old service levels or against everyone currently registered today. Keep both figures on hand and explain the difference plainly rather than picking a side.
Every answer on this site sits on the same verified counts. These are the current figures.
Sources: FAO Report 2023-24 (Financial Accountability Office of Ontario) · 2026 Ontario Budget (tabled March 26, 2026) · CBC News FOI investigation — bi-weekly OAP progress reports, Jun 2024 – Jan 2026, published Mar 30, 2026 (Nicole Brockbank & Angelina King) · MCCSS bi-weekly OAP Core Clinical Services progress reports, Dec 10, 2025 – Mar 4, 2026, obtained under Freedom of Information (release CSS2026-0749) · MCCSS Ontario Autism Program figures as of May 13, 2026, released under Freedom of Information to the Ontario Autism Coalition and published in the OAC "OAP At A Glance" update, July 2026 (ontarioautismcoalition.com)
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The Financial Accountability Office of Ontario's 2020 review of MCCSS spending estimated that $1.35B per year was needed to deliver Ontario Autism Program services at 2018-19 service levels for the 40,700 children registered at that time. The 2026-27 Ontario Budget allocated $965 million to the OAP. The arithmetic: $1.35B - $965M = $385M annual shortfall.
This is the most conservative defensible gap figure because it uses (a) an independent, government-funded oversight body's estimate (FAO), and (b) the lowest-intensity service-level benchmark (2018-19, before the 2019 redesign expanded eligibility). End The Wait Ontario uses this figure as our canonical because it is the hardest to dispute.
Several other annual-gap estimates appear in public discussion. (1) "$571M shortfall" - FAO's prior estimate against the smaller 2025-26 budget. (2) a rounded FAO figure used by some advocacy groups. (3) larger ETWO scenario ranges - End The Wait Ontario's own estimate of what would be needed to fund all currently registered children at typical needs-based amounts (a low-twenties-thousand shortfall average x 91,974 ≈ a two-billion-dollar scenario, minus current spending). (4) "and larger scenarios" - estimates assuming intensive ABA near the high end of $6,600–$65,000/year x 91,974 minus the $965M budget.
All of these point to underfunding relative to need. The differences come from the baseline used: 2018-19 service levels, today's registration count (91,974), or intensive-intervention cost models.
When writing to MPPs, journalists, or policymakers, the $385M figure is the most legally defensible because it cites the FAO and uses a conservative service-level benchmark.
However, families and advocates can point out that even fully closing the $385M FAO gap would only restore 2018-19 service levels against today's much larger registered population. The honest framing: "$385M is the floor, not the ceiling."
Because $385M directly cites the Financial Accountability Office and uses a conservative 2018-19 service-level benchmark. Other estimates may reflect current need differently, but $385M is the canonical anchor.
From the FAO's 2020 Spending Plan Review of MCCSS, which modelled what the OAP would cost annually to deliver core clinical services at 2018-19 service levels for the 40,700 children registered at that time. The estimate was $1.35B.
Partially. The 2026-27 Ontario Budget added new OAP funding compared to 2025-26 (growing the program budget). This reduces the FAO gap from $571M to $385M. However, the registered population has grown since the FAO's baseline, so the per-child funding-to-need gap remains unresolved.
AccessOAP costs $57.9M/year (2023-24; MCCSS FOI via The Trillium, July 2024) to administer the program. This comes out of the total OAP budget, so of the $965M 2026-27 allocation, approximately $907M is theoretically available for direct services after administrative overhead.
FAO
Financial Accountability Office of Ontario - MCCSS Spending Plan Review (2020) and 2023-24 update (FA2305)
Ontario Budget 2026
Ontario Ministry of Finance - 2026-27 Budget, Chapter 1B Services ($965M OAP allocation)
CBC FOI
CBC News Toronto Enterprise Unit FOI - OAP bi-weekly progress reports Jun 2024-Jan 2026
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A child's place in the Ontario Autism Program queue is set by the AccessOAP registration date. 71,263 children are registered and still waiting for core funding (MCCSS FOI via OAC · May 2026).
Commitment to Accuracy: Our data is verified against official government reports (FAO, MCCSS), peer-reviewed scientific literature, and accessible public records. Last updated: May 11, 2026.
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How many children are on the Ontario autism waitlist in 2026?
VerifiedAs of May 13, 2026, 91,974 children are registered with the Ontario Autism Program. However, only 20,711 (22.5%) have an active Core Funding Agreement. This represents ~300% growth in registrations since 2019, with 71,263 children still waiting for essential funding.
Source: MCCSS FOI via OAC · May 2026 · Open source record
How long do families wait for Ontario autism services?
VerifiedOntario autism wait times for core clinical services now exceed 5+ years for families registered in 2021 (community-reported, Ontario Autism Coalition, July 2026). Funding invitations are currently reaching families who registered in August 2021 (Ontario Autism Coalition, July 2026 (reported from community intake)). This delay far exceeds the sensitive early intervention window recommended by developmental specialists.
Source: MCCSS FOI via OAC · May 2026 · Open source record
Is the Ontario Autism Program underfunded?
VerifiedThe 2026-27 Ontario Budget allocated $965 million for autism services, up from $779 million in 2025-26, while 91,974 children are registered. The budget record supports the current allocation; the historical FAO funding model is cited separately.
Source: 2026-27 Ontario Budget · Open source record
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Registered
91,974
91,974Children registered
Total registered in the Ontario Autism Program
Funded
20,711
20,711Have active funding
Only 22.5% of registered children
Without active agreement
71,263
71,263Without an active funding agreement
An administrative status; it does not confirm current service delivery.
Verified · MCCSS FOI via OAC · May 2026
| Metric | Value |
|---|---|
| Children registered | 91,974 |
| Have active funding | 20,711 |
| Without an active funding agreement | 71,263 |