Pollster CBOS said trust in the president increased by 1 percentage point compared with a similar survey last month.
At the same time, 37 percent of respondents said they did not trust Duda, a proportion unchanged from November, Polish state news agency PAP reported.
Lower-house Speaker Szymon Hołownia was named the second-most trusted politician in the country, with 48 percent of those surveyed saying they have confidence in him.
Szymon Hołownia. PAP/Rafał Guz
Warsaw Mayor and presidential candidate Rafał Trzaskowski came in third, with 46 percent, the CBOS poll found.
Rafał Trzaskowski. Photo: Polish Radio
Meanwhile, opposition leader Jarosław Kaczyński and Prime Minister Donald Tusk are the most distrusted politicians in the country, according to the survey.
Fifty-two percent of respondents said they distrusted Kaczyński, while 49 percent expressed distrust in Tusk, CBOS reported.
The survey was carried out from November 28 to December 8 on a sample of 915 respondents.
(gs)
Source: PAP