Current Liabilities

Reserve for Incurred But Not Reported (IBNR) Claims

Aflac Reserve for Incurred But Not Reported (IBNR) Claims decreased by 0.4% to $5.42B in Q1 2026 compared to the prior quarter. Year-over-year, this metric declined by 7.5%, from $5.86B to $5.42B. Over 5 years (FY 2020 to FY 2025), Reserve for Incurred But Not Reported (IBNR) Claims shows a downward trend with a -7.0% CAGR.

Analysis

StatementBalance Sheet Statement
SectionCurrent Liabilities
CategoryRisk
SignalContext dependent
VolatilityModerate
First reportedQ4 2014
Last reportedQ1 2026

How to read this metric

Significant deviations from historical trends may signal changes in medical utilization or reporting delays.

Detailed definition

A specific component of the claims liability representing the estimated cost of claims that have occurred but have not y...

Peer comparison

A core actuarial metric for all insurance companies.

Metric ID: ins_ibnr_claims_reserve

Historical Data

20 periods
 Q2 '21Q3 '21Q4 '21Q1 '22Q2 '22Q3 '22Q4 '22Q1 '23Q2 '23Q3 '23Q4 '23Q1 '24Q2 '24Q3 '24Q4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Value$7.37B$7.29B$7.07B$6.71B$5.98B$5.63B$6.12B$6.67B$6.12B$5.88B$6.17B$5.83B$5.44B$6.10B$5.46B$5.86B$6.00B$5.79B$5.45B$5.42B
QoQ Change-1.1%-2.9%-5.2%-10.8%-5.9%+8.7%+8.9%-8.3%-3.8%+4.8%-5.5%-6.7%+12.1%-10.4%+7.4%+2.4%-3.6%-5.9%-0.4%
YoY Change-18.8%-22.7%-13.4%-0.6%+2.2%+4.5%+0.8%-12.6%-11.1%+3.6%-11.5%+0.5%+10.4%-5.1%-0.3%-7.5%
Range$5.42B$7.37B
CAGR-6.2%
Avg YoY Growth-5.1%
Median YoY Growth-2.8%
Current Streak3 quarters decline

Business Segments

View all
SegmentQ4 '21Q4 '22Q1 '23Q2 '23Q4 '23Q4 '24Q4 '25
Aflac Japan$7.06B$6.12B$6.67B$6.12B$6.17B$5.46B$5.45B
Aflac U.S.$8.00M$4.00M$0.00$0.00$0.00
Total$7.07B$6.12B$6.67B$6.12B$6.17B$5.46B$5.45B

Aflac Japan was previously reported and has since been discontinued or reclassified. Only currently active segments are shown in the chart.

Frequently Asked Questions

What is Aflac's reserve for incurred but not reported (ibnr) claims?
Aflac (AFL) reported reserve for incurred but not reported (ibnr) claims of $5.42B in Q1 2026.
How has Aflac's reserve for incurred but not reported (ibnr) claims changed year-over-year?
Aflac's reserve for incurred but not reported (ibnr) claims decreased by 7.5% year-over-year, from $5.86B to $5.42B.
What is the long-term trend for Aflac's reserve for incurred but not reported (ibnr) claims?
Over 5 years (2020 to 2025), Aflac's reserve for incurred but not reported (ibnr) claims has grown at a -7.0% compound annual growth rate (CAGR), from $7.82B to $5.45B.
What does reserve for incurred but not reported (ibnr) claims mean?
The estimated cost of claims that have happened but haven't been reported yet.