US Estate Tax Basics
| Factor |
Details |
| US estate tax rate |
Up to 40% |
| US exemption (citizens/residents) |
~$13.61 million (2024) |
| Non-resident exemption (base) |
$60,000 |
| Canada-US treaty |
Provides relief for Canadians |
What Are US Situs Assets?
Subject to US Estate Tax
| Asset Type |
US Situs? |
| US real estate |
Yes |
| US stocks (directly held) |
Yes |
| US corporate bonds |
Yes |
| US branch bank accounts |
Yes |
| Tangible property in US |
Yes |
NOT US Situs
| Asset Type |
US Situs? |
| US government bonds |
No |
| US bank deposits (non-branch) |
No |
| Canadian-listed ETFs (holding US stocks) |
No |
| Life insurance on US policy |
Generally no |
| US mutual funds (open-end) |
Debatable (usually no) |
Canada-US Tax Treaty Relief
Prorated Exemption
The treaty allows Canadians to claim a prorated share of the US exemption based on worldwide assets.
| Formula |
|
| Prorated exemption = |
US exemption × (US situs assets ÷ worldwide estate) |
Example Calculation
| Factor |
Amount |
| Worldwide estate |
$3,000,000 |
| US situs assets |
$600,000 |
| US exemption |
$13,610,000 |
| Prorated exemption |
$13.61M × ($600K ÷ $3M) = $2,722,000 |
| US situs assets |
$600,000 |
| US estate tax |
$0 (assets below prorated exemption) |
When Tax Applies
| Scenario |
US Estate Tax |
| Small Canadian estate, modest US assets |
Usually $0 |
| Large worldwide estate (>$13M) |
Possible exposure |
| US assets exceed prorated exemption |
Tax applies |
Thresholds and Risk Levels
Approximate Risk by Estate Size
| Worldwide Estate |
US Assets |
Likely Tax? |
| Under $1M |
Any amount |
No |
| $1-5M |
Under $1M |
Unlikely |
| $5-13M |
Significant |
Calculate carefully |
| Over $13M |
Any |
Likely exposure |
Reporting Requirements
| Form |
Purpose |
When Required |
| Form 706-NA |
Non-resident estate tax return |
US situs assets > $60,000 |
| Form 8833 |
Treaty-based return position |
To claim treaty exemption |
Even If No Tax Owed
| Requirement |
Details |
| Filing may be required |
If US assets > $60,000 |
| Purpose |
Claim treaty benefits |
| Penalty for non-filing |
Potential issues |
Strategies to Minimize Exposure
Strategy 1: Canadian-Listed ETFs
| Approach |
Details |
| Instead of |
US-listed VTI, VOO, SPY |
| Hold |
Canadian-listed VUN, XUU, ZSP |
| Why it works |
Canadian corporate structure |
| US situs? |
No (Canadian asset) |
ETF Comparison
| US-Listed |
Canadian Alternative |
US Situs? |
| VTI |
VUN |
No (VUN) |
| SPY |
ZSP |
No (ZSP) |
| QQQ |
ZQQ |
No (ZQQ) |
| VEA |
VIU |
No (VIU) |
Strategy 2: Joint Ownership with Spouse
| Approach |
Details |
| JTWROS |
Joint tenants with right of survivorship |
| Effect |
Only 50% included in estate |
| Benefit |
Reduces US exposure |
| Caution |
US rules complex, get advice |
Strategy 3: Life Insurance
| Approach |
Details |
| Coverage |
Equal to potential US estate tax |
| Benefit |
Pays tax, heirs receive full value |
| Ownership |
Consider ILIT for US citizens |
Strategy 4: Corporate Ownership (US Real Estate)
| Approach |
Details |
| Hold through |
Canadian corporation |
| Effect |
Shares are Canadian situs |
| Complexity |
Very high |
| Concerns |
FIRPTA, double taxation, costs |
| Recommendation |
Get specialized advice |
US Real Estate Considerations
Snowbird Properties
| Factor |
Impact |
| US situs |
Yes, always |
| Value included |
Fair market value at death |
| Mortgage |
Deductible from value |
| Treaty relief |
Same prorating rules |
Example: Florida Condo
| Factor |
Amount |
| Condo value |
$500,000 |
| Mortgage |
$200,000 |
| Net US situs |
$300,000 |
| Worldwide estate |
$2,000,000 |
| Prorated exemption |
$2.04M |
| US estate tax |
$0 |
Tax Credits
Avoiding Double Taxation
| Credit |
Details |
| US provides credit for Canadian tax |
On same assets |
| Canada provides credit for US estate tax |
On final return |
| Treaty ensures |
No double taxation |
Provincial Considerations
| Province |
Impact |
| All provinces |
Subject to same US rules |
| Quebec |
Notarial wills, civil law differences |
| BC/Ontario |
Higher probate may increase costs |
When to Get Help
| Situation |
Action |
| US situs assets > $1M |
Consult cross-border specialist |
| Worldwide estate > $5M |
Estate planning essential |
| US real estate |
Review ownership structure |
| US citizen spouse |
Complex rules apply |