1The present age; the current day or era — often used like 'modern-day ~' or 'in contemporary society'.
現代の若者はSNSをよく使う。
Young people today often use social media.
現代社会では情報が重要だ。
Information is important in contemporary society.
現代の家電は高機能だ。
Modern home appliances are highly functional.
2The modern era; modern times (as in modern history, culture, art, etc.).
現代美術の展覧会に行ってみた。
I went to an exhibition of modern art.
現代史の授業で戦後の変化を学んだ。
In modern history class we studied postwar changes.
現代の技術は日々進歩している。
Modern technology advances day by day.