10. Pope Paul IV
- election year: 1555
- age at start of papacy: 78
- age at death: 83 years, 51 days
- length of the pontificate: 4 years, 87 days
9. Pope Gregory XIII
- election year: 1572
- age at start of papacy: 70
- age at death: 83 years, 92 days
- length of the pontificate: 12 years, 322 days
8. Pope Francis

fot. Edgar Jiménez from Porto, Portugal / wikipedia.org (CC BY-SA 2.0)
- election year: 2013
- age at start of papacy: 78 years, 330 days
- current age (2020): 83 years
7. Pope John Paul II
- election year: 1978
- age at start of papacy: 58
- age at death: 84 years, 319 days
- length of the pontificate: 26 years, 168 days
6. Pope Innocent XII
- election year: 1691
- age at start of papacy: 76 years, 124 days
- age at death: 85 years, 107 days
- length of the pontificate: 9 years, 77 days
5. Pope Pius IX
- election year: 1846
- age at start of papacy: 54
- age at death: 85 years, 270 days
- length of the pontificate: 31 years, 236 days
4. Pope Benedict XVI

fot. Rvin88 / wikipedia.org (CC BY-SA 3.0)
- election year: 2005
- age at start of papacy: 78 years, 3 days
- age of resignation: 85 years, 318 days
3. Pope Clement X
- election year: 1670
- age at start of papacy: 79 years, 290 days
- age at death: 86 years, 9 days
- length of the pontificate: 6 years, 84 days
2. Pope Clement XII
- election year: 1730
- age at start of papacy: 78 years, 100 days
- age at death: 87 years, 305 days
- length of the pontificate: 9 years, 209 days
1. Pope Leo XIII
- election year: 1878
- age at start of papacy: 67
- age at death: 93 years, 140 days
- length of the pontificate: 25 years, 150 days
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