Based on my research:

Claim Analysis:

Lionel Messi's Ballon d'Or titles:

• Lionel Messi has won the Ballon d'Or a record 8 times (2009, 2010, 2011, 2012, 2015, 2019, 2021, and 2023)¹²³⁴

Vinicius Jr's official goals for Brazil:

• According to Wikipedia, Vinicius Jr has scored 8 total goals for the Brazilian national team broken down as:
  • 2019: 0 goals (1 appearance)
  • 2021: 0 goals (8 appearances)
  • 2022: 2 goals (11 appearances)
  • 2023: 1 goal (6 appearances)
  • 2024: 2 goals (11 appearances)
  • 2025: 3 goals (8 appearances)
  • 2026: 0 goals (2 appearances)⁵
• Transfermarkt confirms he has 8 goals in 47 appearances for Brazil⁶

Conclusion:

• Messi's Ballon d'Or titles: 8
• Vinicius Jr's Brazil national team goals: 8

The two numbers are equal. Both equal 8.

Overall validity: 100%

1. Ballon d'Or - Wikipedia
2. Winner Ballon d'Or - Transfermarkt
3. How Many Ballon d'Or Awards do Messi and Cristiano Ronaldo Have?
4. Lionel Messi | Biography, Trophies, Records, Ballon d'Or ... - Britannica
5. Vinícius Júnior - Wikipedia
6. Vinicius Junior - National team | Transfermarkt - Transfer Market