Below is an instruction from Human. Write a response.
    ### Instruction:
    How many people are affected by Urinary Retention ?
    ### Response:
    Urinary retention in men becomes more common with age.
                
- In men 40 to 83 years old, the overall incidence of urinary retention is 4.5 to 6.8 per 1,000 men.2  - For men in their 70s, the overall incidence increases to 100 per 1,000 men.2  - For men in their 80s, the incidence of acute urinary retention is 300 per 1,000 men.
    