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Budget 2026: $965M budgeted, 67,509 children still waiting. Read our analysis →

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end|thewaitontario

Parent-led advocacy for Ontario families waiting for autism services.

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end|thewaitontario

Parent-led advocacy for Ontario families waiting for autism services.

Getting Started

  • Browse All Pages
  • Search
  • Diagnosis Guide
  • While You Wait
  • Facts (Citation Ready)

Common Questions

  • All Questions
  • How Long Is the Wait?
  • What Is the OAP?
  • How Many Are Waiting?
  • Options While Waiting
  • Funding Amounts

Tools

  • Next Steps Tool
  • Wait Estimator
  • Funding Estimator
  • Therapy Budget
  • Waitlist Tracker

Providers

  • Provider Directory
  • Choosing a Provider
  • Submit a Provider

Funding & Support

  • OAP Overview
  • Funding Guide
  • Eligibility
  • How to Register
  • DTC & RDSP

Your Region

  • Toronto
  • Ottawa
  • Hamilton
  • London
  • Mississauga
  • All Regions

Evidence & Data

  • Evidence Library
  • Data Hub
  • Waitlist Data
  • Cost Calculator
  • Data Stories
  • Where Does the Money Go?

Take Action

  • Action Hub
  • Write Your MPP
  • File Complaint
  • Advocacy Toolkit

About

  • Our Story
  • Transparency
  • Media References
  • Founder
  • Press
  • Contact
end|thewaitontario

Parent-led advocacy for Ontario families waiting for autism services.

  • Browse All Pages
  • Search
  • Diagnosis Guide
  • While You Wait
  • Facts (Citation Ready)
  • All Questions
  • How Long Is the Wait?
  • What Is the OAP?
  • How Many Are Waiting?
  • Options While Waiting
  • Funding Amounts
  • Next Steps Tool
  • Wait Estimator
  • Funding Estimator
  • Therapy Budget
  • Waitlist Tracker
  • Provider Directory
  • Choosing a Provider
  • Submit a Provider
  • OAP Overview
  • Funding Guide
  • Eligibility
  • How to Register
  • DTC & RDSP
  • Toronto
  • Ottawa
  • Hamilton
  • London
  • Mississauga
  • All Regions
  • Evidence Library
  • Data Hub
  • Waitlist Data
  • Cost Calculator
  • Data Stories
  • Where Does the Money Go?
  • Action Hub
  • Write Your MPP
  • File Complaint
  • Advocacy Toolkit
  • Our Story
  • Transparency
  • Media References
  • Founder
  • Press
  • Contact

Legal Disclaimer: This website presents advocacy arguments based on publicly available data and legal frameworks. While we strive for accuracy, this content is for informational purposes only and does not constitute legal or medical advice. Nothing on this website should be construed as a guarantee of any specific legal outcome.

Independence: End The Wait Ontario is a parent-led advocacy group. We are not affiliated with the Ontario government, the Ontario Autism Coalition, Autism Ontario, or the World Health Organization. We cite FOI data obtained by the Ontario Autism Coalition as a matter of public record. This does not constitute affiliation. References to these organizations are for informational purposes; no endorsement is implied.

Non-partisan policy advocacy: We advocate on policy outcomes for children and families and do not endorse any political party or candidate.

Statistics are current as of the dates cited and may change. For specific legal guidance, consult a licensed attorney. For medical advice, consult qualified healthcare professionals. Last updated: 2026.

Legal|Privacy|Terms|Cookies|Accessibility|Corrections|Authority

Advocacy, not anger. Data, not speculation.

Carroll v. Ontario · HRTO 2025-62264-I

© 2026 End The Wait Ontario. All rights reserved. · Parent-led advocacy · Not a government agency

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Is the Ontario Autism Program underfunded?

Yes. The Financial Accountability Office (FAO) determined that **$1.35 billion annually** is needed to serve all registered children at 2018-19 service levels. The 2026-27 Ontario Budget allocated **$965 million**, leaving an estimated **$385M+ annual shortfall**. [FAO, Ontario Budget 2026] This gap is the primary driver of the perpetual 88,175+ child waitlist.

Source: Financial Accountability Office of Ontario [FAO]

How much does Ontario fund for autism treatment?

Core Clinical Services funding ranges $6,600-$65,000 per year based on age/needs (with a total OAP budget of $965M for 2026-27, up from $779M in 2025-26, per the Ontario Budget tabled March 26, 2026). This is direct funding—families choose public or private providers. However, intensive ABA therapy can cost up to $95,000 USD/year (2020 US cost estimate cited in FAO 2020 report; Canadian costs vary), leaving significant out-of-pocket gaps.

Source: 2026 Ontario Budget, FAO Report 2023-24

IBI vs ABA in Ontario: Differences, OAP Funding & What Your Child Needs

Intensive Behavioural Intervention (IBI) and Applied Behaviour Analysis (ABA) are often confused — and have historically been funded differently under Ontario's autism programs. This comparison clarifies the distinction and what it means for OAP funding.

Quick Summary

  • Side-by-side comparison of IBI vs ABA autism services
  • Since the 2019 OAP reform, IBI and ABA are no longer separately funded streams in Ontario — both are funded under OAP core clinical services. In practice, the distinction matters for service planning: very young children (under 5) with significant learning needs are often recommended intensive programming (historically called IBI), while older children and those with fewer hours needed receive focused ABA. Your child's OAP service plan will specify recommended hours — the label (IBI vs ABA) matters less than the intensity and quality of the intervention.
  • 3 frequently asked questions answered with evidence
  1. Home
  2. ›Comparisons
  3. ›IBI vs ABA in Ontario: Differences, OAP Funding & What Your Child Needs

IBI

Intensive Behavioural Intervention (IBI)

Hours per Week
20–40 hoursEarly intensive model
Target Age
Under 5 (typically)Earlier is better for IBI
Annual Cost (Private)
$60,000–$80,000+
OAP History
Previously separate waitlistPre-2019 OAP reform

Strengths

  • Strongest evidence for young children with significant learning needs
  • Comprehensive skill development across all domains
  • Can produce substantial developmental gains when started early
  • Now funded under OAP core clinical services

Limitations

  • Intensive time commitment (20–40 hours/week)
  • Can be disruptive to family routine
  • Not all children require or benefit from intensive hours
  • Historically had its own long waitlist (pre-2019)

ABA

Applied Behaviour Analysis (ABA — Focused/Standard)

Hours per Week
5–20 hoursFocused model
Target Age
Any ageEffective across lifespan
Annual Cost (Private)
$15,000–$40,000Focused model
OAP Funding
YesCore and interim

Strengths

  • More flexible — does not require intensive hours
  • Suitable for all ages including school-age and teens
  • Focused on specific target skills
  • Compatible with school attendance and other activities
  • Evidence-based for a wide range of autism presentations

Limitations

  • Less comprehensive than intensive IBI for early childhood
  • May not address all domains simultaneously
  • Requires consistent implementation across settings

Analysis

Since the 2019 OAP reform, IBI and ABA are no longer separately funded streams in Ontario — both are funded under OAP core clinical services. In practice, the distinction matters for service planning: very young children (under 5) with significant learning needs are often recommended intensive programming (historically called IBI), while older children and those with fewer hours needed receive focused ABA. Your child's OAP service plan will specify recommended hours — the label (IBI vs ABA) matters less than the intensity and quality of the intervention.

Frequently Asked Questions

Since the 2019 OAP reform, IBI is no longer a separate funded stream. Both IBI and ABA are funded under OAP core clinical services. Your child's individualized service plan determines the recommended hours and intensity — not a separate IBI vs ABA eligibility determination.

IBI (Intensive Behavioural Intervention) is a high-intensity application of ABA principles, typically 20–40 hours per week, designed for young children (usually under 5). Standard or focused ABA involves fewer hours (5–20/week) and is suitable for a broader age range. IBI is a type of ABA — all IBI is ABA, but not all ABA is IBI.

OAP core clinical services fund hours based on your child's individualized service plan, which is developed by a qualified clinician. Interim funding ($22,000/year under 6, $5,500/year over 6) can be used for ABA therapy immediately after OAP registration while waiting for core services.

Related Comparisons

ABA vs Speech Therapy: Which Should Autistic Children Start First in Ontario?

Intensive vs Focused ABA: How Many Hours Does Your Child Need in Ontario?

ABA vs Other Autism Therapies: Evidence, Costs, and Choosing What's Right

Next Steps

Next Steps

Use this comparison to decide your path, then take action with confidence.

Take Action to End the WaitBrowse More Comparisons

Verified References & Sources

Updated: Mar 2026

Government Reports & Data

[2023]
Exclusion of Students With Disabilities — 2023 SurveyVerified FAO Data
Community Living Ontario • Report • 2023-10-01
View
[2024]
Inclusion Without Proper Support Is AbandonmentVerified FAO Data
Elementary Teachers' Federation of Ontario • Report • 2024-06-01
View
[2020]
Autism ServicesVerified FAO Data
Financial Accountability Office of Ontario (FAO) • Report • 2020-07-21
View
[2024]
Ministry of Children, Community and Social Services: Spending Plan ReviewVerified FAO Data
Financial Accountability Office of Ontario (FAO) • Report • 2024-02-29
View
[2025]
Ontario Autism Coalition FOI update on Ontario Autism Program registrations and fundingVerified FAO Data
Ontario Autism Coalition • Report • 2025-12-10
View

Commitment to Accuracy: Our data is verified against official government reports (FAO, MCCSS), peer-reviewed scientific literature, and accessible public records. Last updated: March 24, 2026.

Related Resources

  • Comparisons Hub
  • ABA vs Other Therapies
  • Comparisons / Aba Vs Speech Therapy First
  • ABA Therapy in Ontario
  • OAP Eligibility
About This Article
Written by:Spencer Carroll - Founder & Autism AdvocateParent of autistic child navigating OAP system
Featured in CBC News Investigation
FOI Data Verified
Clip in WHO Social Media Reel
Active HRTO Advocacy
FAO & Legislative Assembly Cited

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Verified Facts

Facts cited on this page

Early Start Denver Model (ESDM) delivered to children aged 18–30 months produced significant gains in IQ, adaptive behaviour, and autism severity — some children no longer met diagnostic criteria at follow-up

Gov / Peer-ReviewedDawson G, Rogers S, Munson J, et al. (2010)Verified: 2010-01-01

Cochrane systematic review finds evidence that early intensive behavioural intervention (EIBI) may produce positive effects on adaptive behaviour and communication for young children with ASD (low certainty of evidence)

Gov / Peer-ReviewedReichow B, Hume K, Barton EE, Boyd BA (2018)Verified: 2018-05-09

WHO recommends accessible, community-based early interventions for children with autism — timely evidence-based psychosocial interventions improve communication and social engagement

Gov / Peer-ReviewedWorld Health Organization (2023)Verified: 2023-11-15

88,175, children are registered in the Ontario Autism Program

SecondaryCBC FOI Jan 2026Verified: 2026-04-29

According to the FAO (2020 report), OAP funding covers less than one-third of estimated need at 2018-19 service levels

Gov / Peer-ReviewedFinancial Accountability Office of Ontario (2020)Verified: 2020-07-21
View our methodologyView all sourcesNext data update: 2026-07-28