Final answer:
The declining number of citizens who vote can be attributed to factors such as lack of free time, age demographics, and feelings of alienation from the government.
Step-by-step explanation:
There are several factors that contribute to the declining number of citizens who vote. One major reason is the lack of free time, as many people report being too busy to vote. Another factor is the age demographic, as older people tend to vote more than younger people. Additionally, some citizens may feel alienated from the government and believe that their vote won't make a difference.