How to calculate the social security retroactive payment before 2006 in Zibo City

One, how to make up the social security calculation;

The amount of retroactive payment = the average social wage of the previous year at the time of retroactive payment * contribution ratio * retroactive coefficient.

Two, how to make up social security contributions by individuals;

According to Article 2 of the Notice on Issues Related to the Replacement of Basic Pension Insurance Contributions by Urban Workers, urban residents of the city who have been entrusted with the archive in the name of an individual at the archive institution, and who have not paid the basic pension insurance premiums or who have interrupted the payment of the premiums for various reasons, within the state's stipulated working age (excluding the persons who have already received the old-age insurance benefits ) may submit a written application for retroactive payment to the filing organization.