I have a work sheet which provides the ID number of a person (the first 6
digits are the birth date of the person YYMMDD). Another column requests
age. How can I create a formula that will automatically calculate the age of
the person as at the current date?

You can use the a formula...If yy is less that current year century is
considered as 20.If yy is greater than current year century is considered as
19..

With the ID in A1 try the below formula and feedback

I have a work sheet which provides the ID number of a person (the first 6
digits are the birth date of the person YYMMDD). Another column requests
age. How can I create a formula that will automatically calculate the age of
the person as at the current date?

But that may only be true for an unknown number of years, so you are going to
have to supply the possible age range for your persons in order to devise a
formula that will continue to work for the foreseeable future, or change your
ID's to use four digit years.
--ron

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