Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
tabarani:17237Abū al-Zinbāʿ Rawḥ b. al-Faraj > Yaḥyá b. Bukayr > Ibn Lahīʿah > ʿUmārah b. Ghaziyyah > Yaḥyá b. Saʿīd

[Machine] Muadh ibn Jabal passed away at the age of 28. He would often say, "I am 32 years old."  

الطبراني:١٧٢٣٧حَدَّثَنَا أَبُو الزِّنْبَاعِ رَوْحُ بْنُ الْفَرَجِ ثنا يَحْيَى بْنُ بُكَيْرٍ حَدَّثَنِي ابْنُ لَهِيعَةَ حَدَّثَنِي عُمَارَةُ بْنُ غَزِيَّةَ عَنْ يَحْيَى بْنِ سَعِيدٍ قَالَ

تُوُفِّيَ مُعَاذُ بْنُ جَبَلٍ وَهُوَ ابْنُ ثَمَانٍ وَعِشْرِينَ سَنَةً وَالَّذِي يَرْفَعُ فِي سِنِّهِ يَقُولُ اثْنَتَيْنِ وَثَلَاثِينَ سَنَةً