Senior Citizen Day 2025 Theme. 2024usawednesday, august 21stnational senior citizen’s day. Yet the fastest increase is projected to take place in the least developed countries, where the number of persons aged 65 or over could rise from 37 million in.

World senior citizens’ day 2023: Celebration of world senior citizens day has its own theme every year.the theme is different in the observance of the day each year.