How Civilizations Die (And Why Islam Is Dying Too) is a book written by the author and economist David P. Goldman, published on September 19, 2011 by Regnery Publishing.

It discusses the declining in birthrates of both Europe and Islamic nations.

[1] In his view the decline in birthrates leads to the passive attitude of Europe, and the aggressive and violent attitude of the Islamic world, not from a stand of power, but from a point of desperate action.

Most of the book is based on articles he published under the pseudonym "Spengler" on the Asia Times newspaper.

The book consists three parts: