Do graduation exams in other countries also consist of oral exams?

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Due to COVID-19, the oral exam is no longer required. However, people who may need it for studies abroad, may take it. I can't find any info about other countries, I'd like to study Statistics and Data Science (since I wish to become a quant), and if that won't be possible then Mathematics. I assume that the Polish oral exam will be useless, but what about the English one? My pronunciation is fine, so I guess I might as well take it, but there's no point in doing so if it could only lower my score (assuming that they take the avg. from the written and oral)