Example of Personal Statements

A personal statement can be

Common usage: Usually a formal statement in the form of a descriptive, self analytical essay attached to an application for college.
Other usage: A statement made in terms of one's career or other personal values, or for purposes of self assertion in a legal situation.

Examples of Personal Statements:

Artist statements expressing personal and professional values and goals.
Character statement: Used in legal settings as character defence.

https://students.berkeley.edu/apa/personalstatement/
https://owl.english.purdue.edu/owl/resource/642/01/
https://www.e-education.psu.edu/writingpersonalstatementsonline/
https://www.californiacolleges.edu/admissions/university-of-california-uc/personal-statement.asp
https://depts.washington.edu/psywc/handouts/pdf/personal.pdf