US leads the global list with 6,791 requests.
International government and law enforcement requests seeking user data declined slightly during the first half of 2014 to 18,000 impacting 30,511 users the latest Yahoo biannual transparency report revealed.
These numbers exclude secret requests approved by the FISA (Foreign Intelligence Surveillance Act) court, which were 3,000 less compared to the second half of 2013.
However, there were 6,000 more than the requests made during the year-ago period.
During the period, it also received up to 999 National Security Letters seeking information.
Yahoo said in a statement: "Like other technology companies, we regularly receive requests from governments around the world to disclose certain user data or remove content.
"Our users deserve to know as much as possible about the requests we receive, and we want to provide as much information as lawfully permitted.
"That is why we’ve committed to sharing a transparency report and updating it twice a year."
Yahoo received 6,791 requests from the US Government seeking data on 12,533 accounts. It dismissed just 382 of them and fulfilled 62% (4,200) by sharing name, location, IP address and billing data.
The US was followed by Germany (2,876), Taiwan (2,733), France (1,236), Italy (1,194) and India (1,001).