The year is interval scale (no natural zero); your age is ratio.
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It is a ratio scale of measurement.
no
No, it is a ratio scale.
Ratio scale
It is a scale where, given two measures X and kX, the second is k times as much as the first. This must apply for all real X and k.It may be easier to understand by considering a scale that is nota ratio scale. Commonly used examples are the temperature scale (in degrees C or F). A temperature of 40 degrees is not 4 times as hot as 10 degrees. Only the Kelvin scale meets that requirement.A ratio scale requires a zero that is meaningful.