Canadian National Railway (CNI) Tax Rate (2009 - 2017)
Canadian National Railway (CNI) posted Tax Rate of -25.65% for the quarter ended Jun 30, 2026, down 0.73 percentage points from -24.92% a year earlier and down 1.00 percentage points from the prior quarter.
Canadian National Railway (CNI) Tax Rate (2009 - 2017) Analysis & Trends
For the trailing twelve months through Jun 30, 2026, Tax Rate at Canadian National Railway was -25.01%, down 1.02 percentage points year-over-year; for the year ended Dec 31, 2025, it was -24.65%, down 0.66 percentage points from the prior year.
- Annual Tax Rate shows a five-year change of -3.06 percentage points (years ended Dec 2020 to Dec 2025).
- In prior years, Canadian National Railway's Tax Rate was -23.99% in the year ended Dec 31, 2024 (-10.69 pp), -13.30% in the year ended Dec 31, 2023 (+11.02 pp), -24.32% in the year ended Dec 31, 2022 (-1.57 pp) and -22.75% in the year ended Dec 31, 2021 (-1.16 pp).
- The figure for the quarter ended Jun 30, 2026 stands as the lowest quarterly Tax Rate since the quarter ended Sep 30, 2017.
- On a year-over-year basis, Tax Rate has declined in each of the last four quarters, with an average year-over-year change of -5.15 percentage points over the last eight quarters.
- The strongest year-over-year quarter for Tax Rate in the past five years was the quarter ended Dec 31, 2023, with a gain of 38.29 percentage points; the weakest was the quarter ended Dec 31, 2024, with a drop of 37.79 percentage points.
- According to Business Quant data, Tax Rate for the three prior quarters was -24.65% (quarter ended Mar 31, 2026), -25.22% (quarter ended Dec 31, 2025) and -24.42% (quarter ended Sep 30, 2025).
Peer Comparison
Historic Data
| Date | Value |
|---|---|
| Dec 31, 2017 | 119.78% |
| Dec 31, 2016 | 0.98% |
| Jun 30, 2009 | 20.00% |
Canadian National Railway Tax Rate API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=tax-rate&ticker=CNI&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "tax-rate", "ticker": "CNI", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=tax-rate&ticker=CNI&period=max&api_key=YOUR_API_KEY");
const data = await res.json();