In Jiangsu Yancheng, the main differences between a social security base of 21,500 and 5,000 are as follows: ① Payment amount: The higher the social security base, the more both the individual and the unit need to pay. For example, in pension insurance, with a base of 21,500, the individual payment amount is ​

• Pension: In the long run, a higher social security base means a higher pension amount received after retirement. Because pension calculation is related to the amount paid during the working period. For instance, the individual pension account balance with a base of 21,500 will accumulate more funds compared to a base of 5,000, which will have a positive impact on the pension amount calculated according to relevant formulas.

• Medical insurance: Although the reimbursement ratio is not directly affected by the base, the amount returned to the personal medical insurance account will be different. With a base of 21,500, more money will be returned to the personal medical insurance account, which can be used for expenses such as seeing a doctor and buying medicine in the outpatient department. ③ Unemployment insurance: The amount of unemployment insurance benefits received in the future may also be related to the payment base. Generally, a higher payment base may lead to a relatively higher amount of unemployment insurance benefits.

In summary, a social security base of 21,500 in Yancheng, Jiangsu, means higher payment amounts during the payment period and may bring more abundant social security benefits in the future compared to a base of 5,000. When choosing a social security base, individuals can comprehensively consider their own economic situation and future expectations.