part i item 1 .
business our company founded in 1886 , american water works company , inc. , ( the 201ccompany , 201d 201camerican water 201d or 201caww 201d ) is a delaware holding company .
american water is the most geographically diversified , as well as the largest publicly-traded , united states water and wastewater utility company , as measured by both operating revenues and population served .
as a holding company , we conduct substantially all of our business operations through our subsidiaries .
our approximately 6400 employees provide an estimated 15 million people with drinking water , wastewater and/or other water-related services in 47 states and one canadian province .
operating segments we report our results of operations in two operating segments : the regulated businesses and the market- based operations .
additional information with respect to our operating segment results is included in the section entitled 201citem 7 2014management 2019s discussion and analysis of financial condition and results of operations , 201d and note 18 of the consolidated financial statements .
regulated businesses our primary business involves the ownership of subsidiaries that provide water and wastewater utility services to residential , commercial , industrial and other customers , including sale for resale and public authority customers .
we report the results of this business in our regulated businesses segment .
our subsidiaries that provide these services are generally subject to economic regulation by certain state commissions or other entities engaged in economic regulation , hereafter referred to as public utility commissions , or 201cpucs , 201d of the states in which we operate .
the federal and state governments also regulate environmental , health and safety , and water quality matters .
our regulated businesses segment operating revenues were $ 2674.3 million for 2014 , $ 2539.9 for 2013 , $ 2564.4 million for 2012 , accounting for 88.8% ( 88.8 % ) , 90.1% ( 90.1 % ) and 89.9% ( 89.9 % ) , respectively , of total operating revenues for the same periods .
the following table sets forth our regulated businesses operating revenues , number of customers and an estimate of population served as of december 31 , 2014 : operating revenues ( in millions ) % (  % ) of total number of customers % (  % ) of total estimated population served ( in millions ) % (  % ) of total .

new jersey
operatingrevenues ( in millions ) $ 652.3
% (  % ) of total 24.5% ( 24.5 % )
number ofcustomers 648066
% (  % ) of total 20.2% ( 20.2 % )
estimatedpopulationserved ( in millions ) 2.7
% (  % ) of total 22.7% ( 22.7 % )
pennsylvania
605.4
22.6% ( 22.6 % )
666415
20.7% ( 20.7 % )
2.2
18.5% ( 18.5 % )
missouri
270.2
10.1% ( 10.1 % )
464498
14.4% ( 14.4 % )
1.5
12.7% ( 12.7 % )
illinois ( a )
262.3
9.8% ( 9.8 % )
312017
9.7% ( 9.7 % )
1.3
10.9% ( 10.9 % )
california
209.8
7.8% ( 7.8 % )
174198
5.4% ( 5.4 % )
0.6
5.0% ( 5.0 % )
indiana
200.6
7.5% ( 7.5 % )
293666
9.1% ( 9.1 % )
1.2
10.1% ( 10.1 % )
west virginia ( b )
127.0
4.7% ( 4.7 % )
170371
5.3% ( 5.3 % )
0.6
5.0% ( 5.0 % )
subtotal ( top seven states )
2327.6
87.0% ( 87.0 % )
2729231
84.8% ( 84.8 % )
10.1
84.9% ( 84.9 % )
other ( c )
346.7
13.0% ( 13.0 % )
489961
15.2% ( 15.2 % )
1.8
15.1% ( 15.1 % )
total regulated businesses
$ 2674.3
100.0% ( 100.0 % )
3219192
100.0% ( 100.0 % )
11.9
100.0% ( 100.0 % )

( a ) includes illinois-american water company , which we refer to as ilawc and american lake water company , also a regulated subsidiary in illinois. .

Question: what is approximate customer penetration percentage in the total regulated businesses?
Answer: 27%

Question: what is the approximate customer penetration in the pennsylvania market area?
Answer: 30%