WCRB 2022 State of the State 
19 
The Wisconsin Worker’s Compensation Insurance Pool is continued under the provisions of Section 
619.01(6), Wis. Stats, to provide workers compensation insurance to those employers who are in "good 
faith" entitled to coverage but are unable to obtain it in the voluntary market. 
In 2021, new assignments increased from 3,289 to 3,469 risks. The number of employers retaining 
coverage in the Pool increased from 22,312 to 22,555. 
Pool gross premiums written increased from $70,923,783 to $73,346,981, an increase of 3.4%. 
Under established procedures, preliminary Pool results are subjected to an independent actuarial 
analysis each year, based on calendar/accident year data reported by the servicing carriers in a special 
call. This analysis essentially involves the review of past losses, year by year, for developmental 
accuracy, which is then used to adjust the outstanding losses, before the formula for proper fund balance 
is applied. The Pool maintains a fund that is adjusted periodically to a "target fund value” which is equal 
to the actuarial best estimate of the total outstanding losses (reported plus Incurred But Not Reported) of all 
servicing carriers. 
The final determination of the Pool Fund Balance as of December 31, 2020 resulted in a surplus of 
$56,821,029. As the Fund year-end balance of $309,793,391 was 122% of the target fund value, the surplus 
of $56,821,029 was declared and distributed by the  Pool in  2021. 
The following exhibits provide a ten-year summary of Pool activity, 2021 preliminary Pool detail, and more 
detailed final 2020 results: 
YEAR 
NEW POOL 
RISKS 
TOTAL POOL 
RISKS 
TOTAL WI 
RISKS 
POOL WRITTEN 
PREMIUM 
TOTAL WI WRITTEN 
PREMIUM 
AVG SIZE OF 
POOL RISK 
2012 
4,328 
19,545 
138,835 
$78,317,806 
$1,732,508,488 
$4,007 
2013 
5,397 
21,707 
139,835 
$102,004,808 
$1,754,698,816 
$4,699 
2014 
5,371 
23,389 
141,544 
$111,013,992 
$1,812,772,013 
$4,746 
2015 
5,982 
25,718 
144,638 
$117,377,944 
$1,950,264,251 
$4,564 
2016 
5,000 
24,658 
144,303 
$101,829,144 
$2,014,069,588 
$4,129 
2017 
4,209 
23,591 
143,518 
$92,292,042 
$1,956,376,445 
$3,912 
2018 
4,054 
23,674 
144,981 
$87,797,753 
$1,950,797,753 
$3,709 
2019 
3,629 
23,349 
147,267 
$81,405,736 
$1,933,426,185 
$3,486 
2020 
3,289 
22,312 
146,765 
$70,923,783 
$1,751,984,201 
$3,179 
2021 
3,469 
22,555 
155,206 
$73,346,981 
$1,790,524,522 
$3,252 

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