The demographics extract contains information regarding eBay buyers for successful listings only. Items that have been successfully purchased will contain age, gender, country code and postal code.

• Description
• Example Data

Pos	Column	Column Type	Description
1	item_id	DECIMAL 12,0	A unique ID for the item (the same as those in the item extract, if that has been purchased)
2	transaction_id	DECIMAL 12,0	A unique ID for this transaction ( there might be multiple transactions per item, e.g. dutch auctions , stores, etc.)
3	buyer_id	DECIMAL 12,0	A unique ID for the buyer (integer)
4	date_of_birth	DATE	Buyer's date of birth.
5	gender	CHAR 1	Gender : M, F, U (unspecified)
6	buyer_cntry_id	DECIMAL 9,0	Numeric identifier for a country. See lookup package : Countries
7	pstl_code	VARCHAR 20	Buyer's zip code / postal code

Example Row: 627499598045062513912905327922-Jul-45 00:00:00u179416

Delimiter: Each field is delimited by character 127, the delete character. Hold alt then type 0,1,2,7 in sequence will type the delete character or use "x7F" in most programming languages. Example File Name: 20060504_site0_meta1_demographics.data.gz for meta 1 on eBay.com ending on May 4, 2006.

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