In the post-WWII period, 104 states had to fight armed groups internally
78 (75%) of these states fought groups supported by foreign states
52% of all groups (234 out of 454) received outside foreign state support
62% of all internal conflicts (124 out of 203) had outside state backers on the side of rebels
* For further factual analysis, see: “States and Non-state Armed Groups (NAGs) in International Relations Theory.” August 2017 (online). In Oxford Encyclopedia of Empirical International Relations Theory. Ed. William Thompson.

Distribution of Support Types across Rebel Groups and Total Support Years, 1946-2010

Type of Support Number of Rebel Groups Percentage in Total Number of Rebel Groups(%) Percentage in Total Support Years (%
Training Camps 61 13 33
Safe Haven to Members 100 22 59
Safe Haven to Leaders and Operate Offices 105 23 55
Financial Aid 61 13 40
Weapons and Logistics 124 27 44
Training 69 15 30
Transport of Weapons and Logistics 42 9 25

Group Objectives and External State Support

Total Externally Supported Percentage Percentage
Topple Leadership 228 126 0.55
Change of Regime 111 74 0.67
Autonomy 64 40 0.63
Secession 156 87 0.56
Policy Change 80 47 0.59

Interstate Rivalry and External State Support

Distribution of External Support among Rivals 1 External Support in Type of Rivalry 2
Ideological 11% %42
Spatial 16% %44
Intervention 1 % %57
No rivalry 72%
1 The percentage of external support by rivalry type using data from William Thompson & David Dreyer. 2012. Handbook of International Rivalries. Sage Publishing: CQ Press.
2 The percentage of external support per each type of rivalry. What is the share of external support cases among specific type of rivalries?

Distribution of Support by Identity (1946-2010), Column Percentages

Number of Groups Groups with External State Supporters Percentage of Groups with Support (row percentage)
Ethnonational 198 101 51%
(43.6%)
Religious-oriented 67 41 61%
(14.7%)
Leftist 89 49 55%
(19.6 %)
NOID_Democ 20 13 65%
(4.4%)
Right-oriented 64 28 44%
(14.1%)
Identity\Other 16 (3.5%) 5 31%
Total 454 237 52%
(100%)

Distribution of Support by Identity (1946-2010), Column Percentages

Region Rebel Groups Supporters Support Years Proportion %
Number % Number %
Eastern Europe and post-Soviet Union 31 6.81 9 9.09 5.38
Latin America 48 10.55 12 12.12 4.90
Middle East and North Africa 53 11.65 16 16.16 25.93
Sub-Saharan Africa 163 35.82 33 33.33 14.92
Western Europe and North America 31 6.81 12 12.12 23.11
East and South Asia 126 27.69 16 16.16 25.58
Pacific and Caribbean 3 0.66 1 1.01 0.18
Total 455 100.00 99 100.00 100.00
Cold War 289 63.5 47