ChatGPT:

NutOil Content (%)
Almonds50–55%
Brazil Nuts65–70%
Cashews44–48%
Hazelnuts60–65%
Macadamia Nuts70–75%
Peanuts (technically a legume)45–50%
Pecans65–70%
Pine Nuts60–70%
Pistachios45–55%
Walnuts60–65%
This matters if you try to create nut butter, as more oil will make the process easier in the food processor.