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Aon plc Long-Term Debt 2008-2026 | AON

Annual FY2008–FY2025 · quarterly through Q2 FY2026

Latest annual · FY2025

$15.25B

−6.2%YoY vs FY2024Source: 10-KFY2025

From $1.87B in FY2008 to $15.25B in FY2025: 8.1× in 17 years.

By quarter▲▼ vs a year before
Fiscal yearQ1Q2Q3Q4
FY26$13.5B−16.8%$12.9B−16.2%Not reportedNot reported
FY25$16.3B+2.3%$15.5B−12.3%$15.1B−11.9%$15.2B−6.2%
FY24$15.9B+50.5%$17.6B+76.3%$17.1B+71.4%$16.3B+62.7%
FY23$10.6B+9.2%$10.0B+3.3%$10.0B−1.5%$10.0B+1.7%
FY22$9.7B+33.3%$9.7B+32.9%$10.1B+22.6%$9.8B+19.4%

Shaded by size: darkest is the largest quarter shown; ringed is the latest reported; a dash marks a quarter with no separate figure. Each quarter sits by its period-end date.

Key Statistics

Trend DirectionStable
CAGR

+15.9%

FY2020
$7.28B
FY2025
$15.25B

5 years selected · on the chart

Long-Term Debt History

Year-over-year comparison from 10-K annual reports

  1. $15.25B
YoY changeLargest recent move+62.7%in FY24Latest −6.2%

1 older move runs past ±100% (largest +100.9%); point at, tap or drag across the bars to read one.

Long-Term Debt, period by period

PeriodValueChangeSource
FY2025$15.25B−6.2%10-K
FY2024$16.27B+62.7%10-K
FY2023$9.99B+1.7%10-K
FY2022$9.82B+19.4%10-K
FY2021$8.23B+13.0%10-K
FY2020$7.28B+9.9%10-K
FY2019$6.63B+10.6%10-K
FY2018$5.99B+5.8%10-K
FY2017$5.67B−3.4%10-K
FY2016$5.87B+14.2%10-K
FY2015$5.14B+7.1%10-K
FY2014$4.80B+30.2%10-K
FY2013$3.69B−0.7%10-K
FY2012$3.71B−10.6%10-K
FY2011$4.16B+3.5%10-K
FY2010$4.01B+100.9%10-K
FY2009$2.00B+6.7%10-K
FY2008$1.87B—10-K

What is long-term debt?

Long-term debt includes bonds, mortgages, and other borrowings with maturities greater than one year.

What is Aon plc's current long-term debt?

Aon plc (AON) annual long-term debt for 2025 was $15.25B, a 6.25% decline from 2024. Aon plc long-term debt for the quarter ending June 30, 2026 was $12.95B.

What was Aon plc's long-term debt in 2024?

Aon plc annual long-term debt for 2024 was $16.27B, a 62.73% increase from 2023.

What was Aon plc's long-term debt in 2023?

Aon plc annual long-term debt for 2023 was $9.99B, a 1.73% increase from 2022.

What is Aon plc's 5-year long-term debt CAGR?

Aon plc long-term debt grew at a compound annual growth rate (CAGR) of 15.93% from FY2020 to FY2025, going from $7.28B to $15.25B over 5 years.

Company
Aon plc
Ticker
AON
Sector
Financial Services
Industry
Insurance Agents, Brokers & Service