Roughly every two weeks, The Economist publishes special reports (previously called surveys

Survey article

In academia, a survey article is a paper that is a work of synthesis, published through the usual channels...

) on a given topic. The five main categories are Countries and Regions, Business, Finance and Economics, Science and Technology, and Other.

List of special reports:
Jan-11 The Economist Special Report on Global Leaders

Dec-10 The Economist Special Report on China's Place In The World

Nov-10 The Economist Special Report on Japan

Nov-10 The Economist Special Report on Smart Systems

Oct-10 The Economist Special Report on The World Economy

Oct-10 The Economist Special Report on Turkey

Sep-10 The Economist Special Report on Forests

Sep-10 The Economist Special Report on Latin America

Jul-10 The Economist Special Report on Egypt

Jul-10 The Economist Special Report on Gambling

Jun-10 The Economist Special Report on Debt

Jun-10 The Economist Special Report on South Africa

Jun-10 The Economist Special Report on The Human Genome

May-10 The Economist Special Report on Banking In Emerging Markets

May-10 The Economist Special Report on Water

Apr-10 The Economist Special Report on America's Economy

Apr-10 The Economist Special Report on Innovation In Emerging Markets

Apr-10 The Economist Special Report on Television

Mar-10 The Economist Special Report on Germany

Feb-10 The Economist Special Report on Financial Risk

Feb-10 The Economist Special Report on Managing Information

Jan-10 The Economist Special Report on Social Networking

Dec-09 The Economist Special Report on Carbon Economy

Nov-09 The Economist Special Report on Brazil

Nov-09 The Economist Special Report on The Art Market

Sep-09 The Economist Special Report on Indonesia

Sep-09 The Economist Special Report on Telecoms

Jul-09 The Economist Special Report on Texas

Jul-09 The Economist Special Report on The Arab World

Jun-09 The Economist Special Report on Ageing Populations

Jun-09 The Economist Special Report on The Euro Area

May-09 The Economist Special Report on Business In America

May-09 The Economist Special Report on International Banking

Apr-09 The Economist Special Report on Medicine Going Digital

Mar-09 The Economist Special Report on Entrepreneurship

Feb-09 The Economist Special Report on Middle Classes

Jan-09 The Economist Special Report on The Sea

Dec-08 The Economist Special Report on India

Nov-08 The Economist Special Report on Cars In Emerging Markets

Nov-08 The Economist Special Report on Russia

Nov-08 The Economist Special Report on Spain

Oct-08 The Economist Special Report on Corporate IT

Oct-08 The Economist Special Report on The World Economy

Sep-08 The Economist Special Report on Globalisation

Sep-08 The Economist Special Report on The Koreas

Aug-08 The Economist Special Report on The Business Of Sport

Jul-08 The Economist Special Report on Al-Qaeda

Jun-08 The Economist Special Report on The Future Of Energy

May-08 The Economist Special Report on EU Enlargement

Apr-08 The Economist Special Report on Mobile Telecoms

Apr-08 The Economist Special Report on Israel

Apr-08 The Economist Special Report on Vietnam

Mar-08 The Economist Special Report on America And The World

Mar-08 The Economist Special Report on Asset Management

Mar-08 The Economist Special Report on China's Quest For Resources

Feb-08 The Economist Special Report on Technology And The Government

Jan-08 The Economist Special Report on Corporate Social Responsibility

Jan-08 The Economist Special Report on Migration