You must be unable to do any "substantial" work (earning above a certain monthly limit).

The condition must have lasted (or be expected to last) at least 12 months or result in death. 2. Gather Essential Documentation

A strong application is built on concrete evidence, not just a doctor's note saying you "can't work".

5 Steps to Make Applying for Disability Easier | Social Security Matters

Prepare a detailed list of all jobs held in the last 15 years , including specific physical and mental duties for each.

The Social Security Administration (SSA) uses a very specific definition of disability:

Document how your condition affects daily life. A symptom diary tracking pain, fatigue, and the time it takes to complete simple tasks (like dressing) can be powerful evidence. 3. The 5-Step Evaluation Process The SSA follows these steps to determine eligibility:

Navigating (SSD) can be overwhelming, but having a clear roadmap can significantly improve your chances of approval. Whether you are applying for Social Security Disability Insurance (SSDI) based on work history or Supplemental Security Income (SSI) based on financial need, 1. Know the "Strict" Definition