The most optimistic about the euro are people between 40 and 49 and 60 and 69.
Despite a narrow margin, the largest share of public opinion in Bulgaria leans toward expecting more benefits than negative effects from the adoption of the euro. According to the results of a national survey by Gallup International Balkan, one-third of Bulgarians see the adoption of the euro as advantageous.
The survey, conducted face-to-face with tablets between May 16 and 27 among 800 adults, found that:

The results also reveal age-based differences in attitudes. The most optimistic groups about the euro are people aged 40–49 and 60–69, while those between 30–39 and 50–59 are the most skeptical.

Witness Statements and Official Documents Increasingly At Odds As Court Proceedings in the Case of Iva Mihaylova Resume in Kočani
22-Year-Old Woman Died in Collision Between Car and Lorry on E79 Road Near Vidin
Sofia Prosecutors Investigate Businessman's Death in Bankya as Suspected Murder
Румен Радев с остри критики към прокуратурата: Разследвания за корупция се възпрепятстват
Димитър Стоянов: Имам писмо от Пентагона, в което ясно се казва: "Поддържайте самолетите МиГ-29"
След срещата Тръмп – Зеленски: Санкции срещу Русия и молба за 300 ракети "Пейтриът"