QuickStats: Percentage of Adults Who Cannot or Find It Very Difficult to Stand or Be on Their Feet for About 2 Hours Without Using Special Equipment

A reported 10.2% of adults aged 18 years or older cannot, or find it very difficult to, stand or be on their feet for about 2 hours without using special equipment.

The percentage of adults who reported this difficulty increased with age: 2.9% of those aged 18–44 years, 11.8% of those aged 45–64 years, 19.1% of those 65–74 years, and 33.2% of those aged 75 years or older.

Overall, women were more likely (11.9%) than men (8.3%) to report this difficulty, and higher percentages were noted for women within each age group.

https://www.cdc.gov/mmwr/volumes/65/wr/mm6547a6.htm