This is opinion polling for the Costa Rican general election in 2018.
Date SourceAlvarado PACAlvarado PRENDesantiPLNAraya FACastro PINCamposPRCGuevaraMLHernández PRSCLópezPASEMenaPNGPizaPUSCRedondo ADCVega PT None N/A Lead19–27 April 2017Cid Gallup 2% -29% -24% - 8% 4% - - 11% - - - 22%5%25–27 May 2017Opol 0.76% 3.31%34.95% 2.55%18.36% - 6.63% 6.88% - 0.51% 1.27% - - 27.5% 16.3%16%22–24 June 2017Opol 4.90% 3.99%29.5% 1.75% 19.19% - 3.92% 9.45% - 0.56%20.65% 0.84% 25.7% 22.2%9%25 - 27 July 2017Opol10.79%5.83%31.22% 2.25%14.48% -6.82%9.63%-0.44%17.56%0.33%---14%17 - 26 July 2017CIEP8%-25.2% 0.4%5.8%- -1.1%- 0.3%11.5%---42%14%29 - 31 August 2017Opol6% -36,76%1,86%20,31% -8,44%6,44% - -12,59%9%- - -16% 27 August - 2 September 2017Enfoques2% -23,7% -11,4% -7,8%2,9% - -10,5% -- 14,6% 22,4%12%4 - 11 September 2017CID Gallup20% -49%13%51% -34%19% -7%40% - - - -2% 5–13 September 2017CID Gallup6% -23%1%16% -8%2% - -13% -- 30%7%25 - 28 September 2017Opol7.17%5.7%31.54%1.49%18.94% -7.40%8.6%-1.07%17.86%0.42%---13%3 - 11 October 2017CIEP 6.3% - 19.6% 1.7%12.6% - 3.4% 1.9% - -11% - - - 40.3%7%27 - 29 October 2017Opol 6.65% 5.01%31.33% 2.64%23.77% 2.9% 4.28% 9.38% 0.36% 0.73% 12.93% 0.55% 0.27% 28.43% 21.61%8%13 - 15 November 2017Opol 7.5% 7.1%30% 3%24.5% 1.9% 2.3% 9.6% 0.5% 0.6% 11.9% 0.5% 0.6% 18.8% 31%6%4 - 16 November 2017CIEP 4% 2%15% 2%15% - 3% 5% - - 11% - - - 37% Tied19 - 24 November 2017CID Gallup 4% 4%15% 1%17% 2% 3% 7% - - 9% - - - 33%2%28 - 29 November 2017Opol 7.9% 3.9%29.5% 3.1%29.1% 1.1% 1.7% 8.5% 1% 0.5% 12.5% 0.4% 0.7% 24% 31% Tied20 - 30 November 2017Idespo 5.8% 2.6%12.5% 2.2%16.4% - 0.7% 4.7% - 0.4% 11.5% 1.1% - 2.6% 39.1%4%December 2017CIEP 5% 3%14% 1.5%18% - 0.5% 8% - - 13% - - - 42%4%December 2017Opol4.4%5.5%28.7%1.7%27%1%3.5%9.9%0.5%0.3%16.7%0.5%0.3% - -1%2 - 4 January 2018Opol 4.7% 5.5%27.4% 1.9%28.8% 1.1% 2.9% 11.1% 0.7% 0.4% 12.5% 1.3% 0.6% - -1%9 - 11 January 2018Opol 5.7% 8.3%26.2% 1.8%25.3% 1.1% 1.4% 11.1% 0.7% 1.0% 15.3% 1.4% 0.7% - -1%9 - 14 January 2018CID-Gallup5.3%9.6%15.5%1.6%16.5%1.7%3.4%7.7%2.8%12.2% - 1%12 - 17 January 2018Demoscopia4%3.5%16.7% 1%12.4% -4%9.1% - 1.2%14.7% - -11.9% 35%2%15 - 18 January 2018Opol5.6%18.4%22%1.9%20.7%1.3%2.5%9.5%0.8%1.3%14.17%1%0.4% - -2%15 - 17 January 2018CIEP6%17%11% -16% - -6% - -9% - - - -1%15 - 20 January 2018CID Gallup6%14%3%16%12% -3%7% - 4%12% - 2%3%20%2%22 - 24 January 2018Opol8%22.5%21.9%1.6%17.4%0.7%1.6%9.5%0.8%0.9%13.1%1.3%0.4% - -1%22 - 24 January 2018Demoscopía8.3%10.7%12.7%0.2%7.3% -1%4% -0.3%12%0.5% - - -Tied24 - 26 January 2018CIEP10.6%16.9%12.4% -8.6% - -2.8% - -8.2% - -1%36.5%4%31 January 2018Opol12.0%17.4%13.8%1.1%8.5%0.6%0.8%3.8%0.2%0.5%8.3%0.7%0.3%14.1%19.1%4%4 February 2018 First round8-9 February 2018Opol 28.0% 37.6%23.2%11.3% 9%6-8 February 2018CIEP42% 45% -13% 3%15-16 February 2018Opol29.4% 36.1%19.7%14.7% 6.7%21-23 February 2018Opol29.2% 39.2%15.4%16.3% 10% 6–17 February 2018Idespo52% 29%23%28 February - 2 MarchOpol31.1% 39.7%14%15.2% 8.6%27-28 February 2018CIEP41% 39% 20%3%8-9 March 2018Opol31.4% 38.7%15.1%14.8% 7.3%10-15 March 2018CID Gallup28.4% 32.9%38% 4.5%12-16 March 2018Opol27.7% 36.5%22.2%13.6% 8.8%19-21 March 2018CIEP42% 43%15% 1%19-23 March 2018Opol28.5%36.2%20.9%14.4%7.7%
References