Loans to individuals offset a decline in corporate lending in the 12 months through May.
The deal between Citi and Chubb will offer a broad range of P&C policies to Citibanamex customers, starting in 2019.
The country's statistics agency released April economic activity data and reports external debt figures for Q1.
The country's monetary council aims for 3.75%, which is lower than prior years and points to challenges for the central bank.
BBVA, Banco Falabella and Banco de Bogotá have already implemented the technology.