Short answer: Basic CESG is generally 20% of eligible contributions, up to $500 per year, or up to $1,000 when unused room is available, with a lifetime maximum of $7,200.
This answer is designed as a starting point. RESP rules can depend on residency, beneficiary age, income, provider support, plan type, and current government program rules.
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Get RESP grants explains the broader decision and links to related tools.