SECTION 1. BEFORE YOU START

NOTE: Where no year is indicated in the title, the current edition applies. Titles written in roman type refer to statistical tables. Titles written in italic type refer to visualizations (charts, graphs).

1.1. Comments on this edition
1.2. Geographical names
1.3. Types of organization
1.4. Continuity between editions

SECTION 2. HOW MANY INTERNATIONAL ORGANIZATIONS ARE THERE?

2.1. Number of international organizations by type
2.2. Number of international organizations by type
2.3. Number of intergovernmental organizations by type
2.4. Number of international non-governmental organizations by type
2.5. Number of international organizations by cluster
2.6. Number of international organizations (IGOs and NGOs) by cluster
2.7. Number of intergovernmental organizations by cluster
2.8. Number of international non-governmental organizations by cluster
2.9. Historical overview of number of international organizations by type (1909-2010)
2.10. Historical overview of number of active international organizations (1951-2010)
2.11. Historical overview of number of international organizations: ABCD (1951-2010)
2.12. Historical overview of number of international organizations by type (1983-2010)
2.13. Historical overview of number of international organizations by type (1992-2010)
2.14. Historical overview of number of international organizations by cluster (1983-2010)

SECTION 3. WHERE ARE INTERNATIONAL ORGANIZATIONS LOCATED?

3.1. Country participation in international organizations by type of organization
3.2. Country participation in international organizations by numerical ranking
3.3. Country participation in intergovernmental organizations by numerical ranking
3.4. Country participation in international non-governmental organizations by numerical ranking
3.5. Country participation in international organizations, ranked by continent
3.6. Country participation in intergovernmental organizations, ranked by continent
3.7. Country participation in international non-governmental organizations, ranked by continent
3.8. Country participation in international organizations by geographical groups
3.9. Country participation in international organizations by "mother" country
3.10. Countries in which international organization secretariats are located
3.11. Countries in which international organization headquarters are located, by numerical ranking
3.12. Countries in which intergovernmental organization headquarters are located, by numerical ranking
3.13. Countries in which international non-governmental organization headquarters are located, by numerical ranking
3.14. Countries in which international organization headquarters are located, ranked by continent
3.15. Countries in which intergovernmental organization headquarters are located, ranked by continent
3.16. Countries in which international non-governmental organization headquarters are located, ranked by continent
3.17. Cities in which international organization secretariats are located
3.18. Cities in which international organization headquarters are located, by numerical ranking
3.19. Cities in which intergovernmental organization headquarters are located, by numerical ranking
3.20. Cities in which international non-governmental organization headquarters are located, by numerical ranking
3.21. Cities in which international organization headquarters are located, ranked by continent
3.22. Cities in which intergovernmental organization headquarters are located, ranked by continent
3.23. Cities in which international non-governmental organization headquarters are located, ranked by continent

SECTION 4. HOW ARE INTERNATIONAL ORGANIZATIONS LINKED TO ONE ANOTHER?

4.1. Links between international organizations by type
4.2. Links between international organizations by paragraph
4.3. Links between international organizations by frequency
4.4. Links between international organizations by subject

SECTION 5. WHAT INTERESTS INTERNATIONAL ORGANIZATIONS?

5.1. Matrix of subjects used in the Yearbook of International Organizations
5.2. Classification of international organizations (1924)
5.3. Number of international organizations by subject of activity
5.4. Number of international organizations by subject of activity
5.5. Number of intergovernmental organizations by subject of activity
5.6. Number of international non-governmental organizations by subject of activity
5.7. International organizations by region of activity
5.8. International organizations by subject and region of activity
5.9. Number of publications of international organizations

SECTION 6. WHERE AND WHEN DID INTERNATIONAL ORGANIZATIONS START?

6.1. Foundation dates of international organizations by type
6.2. Foundation dates of international organizations by cluster
6.3. Foundation dates of intergovernmental organizations by cluster
6.4. Foundation dates of international non-governmental organizations by cluster
6.5. Foundation places of international organizations by cluster

SECTION 7. WHAT LANGUAGES DO INTERNATIONAL ORGANIZATIONS USE?

7.1. Index to languages used by international organizations
7.2. Languages used by international organizations
7.3. Languages most commonly used by international organizations
7.4. Languages most commonly used by international organizations
7.5. Languages most commonly used by intergovernmental organizations
7.6. Languages most commonly used by intergovernmental organizations
7.7. Languages most commonly used by international non-governmental organizations
7.8. Languages most commonly used by international non-governmental organizations
7.9. Number of languages used by international organizations

SECTION 8. WHO REPRESENTS INTERNATIONAL ORGANIZATIONS?

8.1. Birth dates of international organization officers (edition 46)
8.2. Birth dates of international organization officers (edition 46)
8.3. Citizenship of international organization officers (edition 46)
8.4. Languages spoken by international organization officers (edition 46)
8.5. Languages most commonly spoken by international organization officers (edition 46)
8.6. Combinations of languages most common among international organization officers (edition 46)
8.7. Multi-lingualism among international organization officers (edition 46)
8.8. Gender of international organization officers (edition 46)
8.9. Areas of interest of international organization officers (edition 46)
8.10. Regions of interest of international organization officers (edition 46)

SECTION 9. WHERE AND WHEN DO INTERNATIONAL ORGANIZATIONS MEET?

Introduction

9.1. Statistics for the current year, 2009

9.1.1. Geographic distribution of international meetings in 2009
9.1.2. Top international meeting countries in 2009
9.1.3. Top international meeting cities in 2009

9.2. Five year review, 2005-2009

9.2.1. Top international meeting countries in 2005-2009
9.2.2. Top international meeting cities in 2005-2009
9.2.3. Top 10 international meeting countries and cities in 2005-2009

9.3. Ten year review, 1995-2004

9.3.1. Top international meeting countries in 1995-2004
9.3.2. Top international meeting cities in 1995-2004
9.3.3. Top 10 international meeting countries and cities in 1995-2004
9.3.4. International meetings: exhibitions and number of participants in 1995-2004
9.3.5. Meetings, and meetings with concurrent exhibitions, by month in 1995-2004
9.3.6. Number of participants in international meetings by month in 1995-2004
9.3.7. Growth rates by country in 1995-2004
9.3.8. Growth rates by city in 1995-2004

9.4. Long-term review, 1855-2004

9.4.1. Top international meeting countries in 1855-2004
9.4.2. Top international meeting cities in 1855-2004
9.4.3. Top 10 international meeting countries and cities in 1855-2004

9.5. The future, 2010-2014

9.5.1. Top international meeting countries in 2010-2014
9.5.2. Top international meeting cities in 2010-2014
9.5.3. Top 10 international meeting countries and cities in 2010-2014

SECTION 10. EXPLANATORY NOTES

10.1. Methodological issues
10.2. Contents of organization descriptions
10.3. Editorial problems and policies
10.4. Functional classification
10.5. Index to figure numbers in previous editions