The article has the objective to compare poverty rates of elderly people between 2018 and 2020, after the universalization of the non-contributory pension during the 2018-2024 presidential period in Mexico, in order to know if there is a change on elderly people's poverty rates. Also, the article aims to know if this policy change has a regressive impact in the whole pension system distribution. The paper uses as a reference for the analysis the International Labour Organization (ILO) guidelines. It compares poverty of different social groups of elderly people in 2018 and 2020 using the National Survey of Households Income and Expenditure. The paper concludes that elderly people's poverty situation is better in 2020. However, there is an increase on inequality in pensions. [ABSTRACT FROM AUTHOR]