Islamic Relief USA, an aid organization with affiliates around the globe, has seen annual donations rise to about $25 million last year from roughly $7 million at the time of the Sept. 11 attacks, with an additional $50 million in in-kind gifts, said the group's spokesman, Mostafa Mahboob.
The Democratic PACs seeking to help candidates win House of Representatives and Senate seats also saw donations rise in September.
Donations rose $16 billion, to $190.2 billion, 9.1 percent above 1998.
Donors seem to be feeling more cheerful, as pledged future donations rose by 9%, having dipped last year.
Charitable donations rose last year, and a quarter of the population regularly volunteer – but we could do more.
This year has also seen the scale of officially undisclosed donations rising sharply after the supreme court's decision that such donations constitute freedom of speech.
The number of alumni making donations rose 5%, to almost 170,000 people, and non-alumni donors increased by 11% to almost 44,000 people.
In 2014, on the first Giving Tuesday in the UK, charitable donations rose by 270% and, according to new research, one in three people is likely to donate this year.
Giving USA, which is published annually by the American Association of Fund-Raising Counsel's Trust for Philanthropy, reported a year ago that in 1998 donations rose in every area except the arts, culture and humanities.
Some £6,250 was given to charity every minute on Visa cards in the UK, credit card company Visa Europe revealed on Wednesday, with donations rising by 35% on last year's figure.
Katie Cutler, 22, who is awarded the British Empire Medal, hoped to raise £500 for Alan Barnes, 67, but when her appeal went viral and donations rose to more than £300,000, he was able to buy a new home.
