Canadian National Railway Co (CNI) Tax Rate (2009 - 2023)
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 Co (CNI) Tax Rate (2009 - 2023) 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, 2023 | 13.78% |
| Dec 31, 2017 | 119.78% |
| Dec 31, 2016 | 0.98% |
| Mar 31, 2014 | 0.97% |
| Sep 30, 2009 | 24.80% |
Canadian National Railway Co 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();