Are you sight-impaired and intending to provide useful information for a scribe?  Are you compiling a medical history for yourself or your child?  Do you plan to use your personal data sheet as a foundation for job applications?  Understanding the purpose of your personal data sheet will help you determine what information you need to include. Gathering name and address information for references, any relevant medical data, and details regarding your past jobs and educational experience will help expedite the writing process once you begin. Job resumes are targeted toward a specific position opening.  While you may use the same basic format for each job to which you apply, you'll adapt the objective, and possibly some of the supporting information, to the specific characteristics of each position.  A personal data sheet, on the other hand, is a compendium of information about you.  This document is not generated to "sell" your qualifications to a specific audience, but rather to provide complete, accurate, and clearly presented information about you and your life experiences.  Note that while you may target your information to a broad type of audience -- medical professionals, potential volunteer opportunities, etc. -- the same personal data sheet should serve to introduce you to any audience of the targeted type. If you opt to include your personal data sheet with a job application you should always provide a resume, as well.

Summary:
Determine why you are compiling a personal data sheet. Gather relevant resources. Understand how a personal data sheet differs from a resume.