(REUTERS) Mexican President Enrique Pena Nieto’s approval rating has slumped to a new low since Donald Trump won the U.S. presidency last week, in part due to his invitation of the real estate tycoon to Mexico during the campaign, a poll showed on Sunday.

The survey by polling firm Buendia & Laredo for newspaper El Universal said approval of Pena Nieto’s performance had fallen to 25 percent from 29 percent in July, hurt by discontent about the economy, rising violence and failure to battle corruption.

Pena Nieto’s six-year term concludes at the end of November 2018, and opinion polls show his centrist Institutional Revolutionary Party (PRI) faces an uphill battle to retain power after the next presidential election, scheduled for July 2018.

Mexican law bars the president from seeking re-election.

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