Efforts to censor Twitter content have also risen sharply, the company said.
"Over the last six months, we have gone from withholding content in two countries to withholding content (ranging from hate speech to defamation) in seven countries," said Twitter legal policy manager Jeremy Kessel.
Twitter was censored the most in Brazil, where courts issued orders on nine occasions to remove a total of 39 defamatory tweets.
The report did not include secret information requests within the United Sates authorized under the Patriot Act, a law enacted after the September 11 attacks. U.S. companies are prohibited from acknowledging the existence of data requests made under those statutes.
