Mitsotakis’ tax measures boost ND’s support, poll shows

Prime Minister Kyriakos Mitsotakis’ announcements at the Thessaloniki International Fair (TIF), including tax cuts and economic support measures, have led to a measurable boost in support for his ruling New Democracy (ND) party.
According to two opinion polls by MARC, ND’s support rose from 25.3% before TIF to 27% afterward, with vote projection reaching 31%, giving the party a 17.5-point lead over PASOK, which remains at 13.5%.
Strong youth support despite challenges
Surprisingly, young voters aged 17–30 responded positively to the tax measures, with 34.2% rating Mitsotakis’ TIF appearance favorably.
The zero-tax policy for people under 25 was considered significant by 56.6% in this age group. However, satisfaction dropped among the 31–44 age group to just 25.5%. Among those over 65, support rose to 53.3%.
The most popular announcement was the tiered income tax reduction based on the number of children, supported by 61.1% of women and 57.4% of men. The policy received strong approval from both younger and older citizens.
ND regains ground in the political center
ND regained its lead among centrist voters with 22.4%, overtaking PASOK’s 17.9%. It continues to dominate the right and center-right, with 54.4% and 59.6% support respectively. The center-left, however, shows fragmentation and uncertainty, with a large share of undecided voters.
Mitsotakis leads as most suitable for Prime Minister
In terms of leadership appeal, Mitsotakis is seen as the most suitable Prime Minister, rising to 30.7%, while PASOK leader Nikos Androulakis remains in fourth place. Mitsotakis' TIF appearance was rated positively by 36.9% of respondents, including a notable over 20% of PASOK voters.
Survey Details
Commissioned by: Proto Thema
Sample Size: 2,401 respondents
Fieldwork Dates: August 27–September 2 and September 8–11, 2025
Coverage: Nationwide
Methodology: Telephone (CATI) and online (CAWI) interviews
Margin of Error: ±2.8%