+"28f" (or "F28") is a demographic identifier, broadly signifying a [female](/wiki/Female) individual in [adulthood](/wiki/Adulthood) at the age of 28. This designation is commonly used in statistical analysis and population studies to categorize a specific age-gender cohort.
+## See also
+- [Demographics](/wiki/Demographics)
+- [Gender](/wiki/Gender)
+- [Age](/wiki/Age)
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