INFORMATION ON GEOGRAPHIC AREAS AND MAJOR CUSTOMERS

12 Months Ended

Dec. 31, 2018

INFORMATION ON GEOGRAPHIC AREAS AND MAJOR CUSTOMERS

NOTE 16 - INFORMATION ON GEOGRAPHIC AREAS AND MAJOR CUSTOMERS

Revenues by Geographic Area - as Percentage of Total Revenue

	Year ended December 31,
	2018			2017			2016
USA		52	%		52	%		49	%
Japan		34			32			36
Asia *		10			12			12
Europe		4			4			3
Total		100	%		100	%		100	%

* Represents revenues from individual countries of less than 10% each.

The basis of attributing revenues from external customers to geographic area is based on the headquarter location of the customer issuing the purchase order; actual delivery may be shipped to another geographic area per customer request.

Long-Lived Assets by Geographic Area

Substantially all of Tower’s long-lived assets are located in Israel, substantially all of Jazz’s and TJT’s long-lived assets are located in the United States and substantially all of TPSCo’s long-lived assets are located in Japan.

	As of December 31,
	2018		2017
Israel	$	215,419	$	218,810
United States		239,462		214,393
Japan		202,353		201,921
Total	$	657,234	$	635,124

Major Customers - as Percentage of Net Accounts Receivable Balance

Accounts receivable from significant customers representing 10% or more of the net accounts receivable balance consist of two such customers, representing 13% and 10% of the net accounts receivable balance as of December 31, 2018, and one such customer representing 13% of the net accounts receivable balance as of December 31, 2017.

D. Major Customers - as Percentage of Total Revenue

	Year ended December 31,
	2018			2017			2016
Customer A		33	%		30	%		35	%
Customer B		7			12			12
Other customers *		16			15			14

Represents sales to two customers accounted for 7% and 9% of sales during 2018, to two customers accounted for 7% and 8% of sales during 2017, and to two customers accounted for 5% and 9% of sales during 2016.