For voluntary social insurance participants, Clause 2, Article 99 of the Law on Social Insurance 2024 (effective from July 1, 2025) stipulates:
Monthly pension level
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2. Pension adjustment is implemented in accordance with the provisions of Article 67 of this Law.
Meanwhile, Article 67 of the Law on Social Insurance 2024 stipulates:
Pension adjustment
1. Pensions are adjusted based on the increase in the consumer price index in accordance with the capacity of the state budget and the social insurance fund.
2. Adjust the pension increase appropriately for those with low pensions and those who retired before 1995 to ensure narrowing the pension gap between retirees in different periods.
3. The Government shall prescribe the time, subjects, and pension adjustment levels prescribed in this Article.
Thus, from 1.7.2025, the pension of the participants of social insurance voluntarily adjusted on the basis of the increase of the consumer price index in accordance with the capacity of the state budget and social insurance fund. The Government stipulates the time, subjects and levels of pension adjustment.