
“The HIIK dataset is based on information gathered in its CONTRA database. For each conflict, the dataset provides specific conflict information.” (codebook, p. 2)
I/ Conflict variable
I/1/ Unit of conflict
| Event (< 0 or 1 death) | Conflict (< 25 deaths) | War (< 100 deaths) | Episode (< 500 deaths) |
|---|---|---|---|
| ∅ | X | ∅ | ∅ |
I/2/ Conflict domain
| State-based conflict | Non-state conflict | One-sided violence | TO BE DETERMINED |
|---|---|---|---|
| X | ∅ | ∅ | X |
conflict type (inter-, sub-, intra-, transstate)” (codebook, p. 2)
II/ Time variable
II/1/ Unit of time
| Day | Year |
|---|---|
| ∅ | X |
start year / constitutive measure” (codebook, p. 2)
II/2/ Time domain
| Time domain |
|---|
| 1825 – 2021 |


(HIIK_conflicts_2021.xlsx, 25/03/2022)
III/ Space variable
III/1/ Unit of space
| Coordinates | Country | Region | TO BE DETERMINED |
|---|---|---|---|
| ∅ | ∅ | X | ∅ |
name of the greater conflict region” (codebook, p. 2)
III/2/ Space domain
| Global | Mediterranean Sea and Sahel | TO BE DETERMINED |
|---|---|---|
| X | ∅ | ∅ |

(HIIK_conflicts_2021.xlsx, 25/03/2022)
IV/ Data structure
IV/1/ Unit of observation
| Unit of conflict (UC) | UC-year | UC-actor | Country-year |
|---|---|---|---|
| X | ∅ | ∅ | ∅ |
| Actor-year | Dyad-year | OTHER | TO BE DETERMINED |
|---|---|---|---|
| ∅ | ∅ | ∅ | ∅ |

(HIIK_conflicts_2021.xlsx, 25/03/2022)
IV/2/ Number of observations
| Number of observation |
|---|
| 355 |
V/ All variables
| Conflict name | Conflict type | Intensity |
|---|---|---|
| X | X | X |
| Outcome | Time | Space |
|---|---|---|
| X | X | X |
| Actor | Type of actor | Dyad |
|---|---|---|
| ∅ | X | ∅ |
| Coalition | Deaths | Non-conflit variables |
|---|---|---|
| ∅ | ∅ | X |
conflict ID
conflict name
assigned conflict name (may vary over time)
conflict type
conflict type (inter-, sub-, intra-, transstate)” (codebook, p. 2)
“(corrected) intensity
(re-evaluation of a previous year’s) conflict intensity
status
conflict status (active, inactive, closed)” (codebook, p. 2)
“start year
start year / constitutive measure” (codebook, p. 2)
“region
name of the greater conflict region” (codebook, p. 2)
“national power
central government power” (codebook, p. 2)
“system/ideology
change of the national or international system / ideology with national or international scope
[…]
subnational predominance
de facto political, economic or cultural predominance
[…]
resources
natural resources” (codebook, p. 2)
VI/ Transparency
VI/1/ Sources
| Intergovernmental organizations | Governmental organizations | Non-governmental organizations |
|---|---|---|
| ∅ | ∅ | ∅ |
| Research organizations | Press media | Social media |
|---|---|---|
| ∅ | ∅ | ∅ |
| Other databases | OTHER | TO BE DETERMINED |
|---|---|---|
| ∅ | ∅ | X |
VI/2/ Codebook
| Date | Version |
|---|---|
| 25/03/2022 | 30 |
“No. 30” (codebook, p. 1)
VII/ Update
VII/1/ Current version
| Date | Version |
|---|---|
| 2021 | [2021] |
VII/2/ Regularly updated ?
| Real-time | Month | Quarter | Annually |
|---|---|---|---|
| ∅ | ∅ | ∅ | X |
| YES, PERIOD TO BE DETERMINED | TO BE DETERMINED |
|---|---|
| ∅ | ∅ |

(https://hiik.de/data-and-maps/datasets/?lang=en, 23/09/2023)
VIII/ Access
VIII/1/ Registration ?
| YES | NO |
|---|---|
| ∅ | X |
VIII/2/ Formats
| .XLS/.XLSX | .CSV | .DTA (STATA) | .RDTA |
|---|---|---|---|
| X | X | ∅ | ∅ |
VIII/3/ API ?
| YES | NO | TO BE DETERMINED |
|---|---|---|
| ∅ | ∅ | X |