See for yourself:

https://www.statista.com/statistics/1100076/volodymyr-zelensky-s-approval-rating-ukraine/

In February 2023, over 90 percent of the Ukrainian population approved of the activities of Volodymyr Zelenskyy as the president of the country. The approval rating was at approximately the same level as in June 2022. Zelenskyy's popularity within the country was significantly higher in 2022, when Russia invaded Ukraine, than in 2021

https://www.newsweek.com/zelensky-approval-rating-ukraine-war-1835246

President Volodymyr Zelensky's approval rating in Ukraine remains near the record highs set shortly after Russia's full-scale invasion of the country began in February 2022, new data from Gallup shows.