In 1999, following the implementation of NAFTA, Walmex initiated Mexico's first duty-free importation of fresh Canadian beef from Biological Farm Management Systems, an export company based in Alberta.

In 2008, a Mexican court ruled that Walmart de México could not pay its employees in vouchers redeemable only at the store,[6] as it violated an article of the country's Constitution.

In 2020, Walmart de México y Centroamérica was included in the Bloomberg Gender Equity Index for the third time.

[8] Reportedly, bribes were given to rapidly obtain construction permits, which gave Walmart a substantial advantage over its business competitors.

[3] A follow-up investigation by The New York Times, published December 17, 2012, revealed evidence that regulatory permission for siting, construction, and operation of nineteen stores had been obtained through bribery.

There was evidence that a bribe of $52,000 was paid to change a zoning map, which enabled the opening of a Walmart store a mile from a historical site in San Juan Teotihuacán.

[10] Forbes magazine contributor, Adam Hartung, also alluded that the bribery scandal was a reflection of Walmart's "serious management and strategy troubles," stating, "[s]candals are now commonplace... [e]ach scandal points out that Walmart's strategy is harder to navigate and is running into big problems.

[11] Walmart has invested $99 million in the internal investigations, which have expanded beyond Mexico to implicate operations in China, Brazil, and India.