For example, in the six-month period following the March 30, 1981, attempt on the life of President Reagan, the average number of threats against protectees of the Secret Service increased by over 150 percent from a similar period during the prior year..
https://en.wikipedia.org/wiki/Threats_against_the_President
SECRET SERVICE SAYS THE NUMBER OF THREATS AGAINST THE PRESIDENT IS OVERWHELMING. President Barack Obama is the target of more than 30 potential death threats a day and is being protected by an increasingly over-stretched Secret Service. He is the most threatened President in history. Since the President took office in 2008, the rate of threats against the president has increased 400% cent. Some.
https://www.causes.com/causes/350394-join-the-fight-to-stop-dishonoring-the-president/updates/620775-secret-service-says-the-number-of-threats-against-the-president-is-overwhelming
It is well known, it's been in the press over and over again, that this president has received far more death threats than any president in the history of the United States, Rep. Eleanor Holmes Norton, the congressional delegate for the District of Columbia, said at today's hearing.
http://www.cbsnews.com/news/secret-service-threats-against-obama-no-higher-than-normal/
The job of protecting presidents started in 1894 with Grover Cleveland, who was guarded part time. That role expanded after the assassination of William McKinley in 1901, and it became a crime to threaten the president in 1917. Today, guarding the president and other top officials accounts for most of the Secret Service’s budget, which totals about $1.4 billion per year and continues to grow.
http://archive.boston.com/news/nation/washington/articles/2009/10/18/secret_service_under_strain_as_leaders_face_more_threats/
Obama, who was given Secret Service protection 18 months before the election - the earliest ever for a presidential candidate - has been the target of more threats since his inauguration than his predecessors.
http://archive.boston.com/news/nation/washington/articles/2009/10/18/secret_service_under_strain_as_leaders_face_more_threats/
The Secret Service is tracking a far broader range of possible threats to the nation’s leaders, the officials said, even as it also investigates financial crimes such as counterfeiting as part of its original mandate.
http://archive.boston.com/news/nation/washington/articles/2009/10/18/secret_service_under_strain_as_leaders_face_more_threats/
WASHINGTON - The unprecedented number of death threats against President Obama, a rise in racist hate groups, and a new wave of antigovernment fervor threaten to overwhelm the US Secret Service, according to government officials and reports, raising new questions about the 144-year-old agency’s overall mission.
http://archive.boston.com/news/nation/washington/articles/2009/10/18/secret_service_under_strain_as_leaders_face_more_threats/
The Boston Globe report last month noting that the threats against Mr. Obama have fallen back to typical levels, Mark Hosenball of Newsweek writes that the reports of a 400 percent increase in threats can be traced back to a book about the Secret Service published earlier this year by author Ronald Kessler.
http://www.cbsnews.com/news/secret-service-threats-against-obama-no-higher-than-normal/
Three Secret Service officers are currently under suspension because of the incident, he said. Since news of the security breach broke, members of Congress have commented that the incident was particularly troubling in light of the number of threats against the first African-American president.
http://www.cbsnews.com/news/secret-service-threats-against-obama-no-higher-than-normal/
Secret Service: Threats Against Obama No Higher than Normal. 5803574The director of the Secret Service today disputed widely-reported claims that President Obama is receiving more death threats than previous presidents.
http://www.cbsnews.com/news/secret-service-threats-against-obama-no-higher-than-normal/
number of death threats against presidents
The number of death threats against presidents is more than 30. A number of death threats against presidents are more than 30. There are more than 30 death threats against presidents.