Extracts IGO membership records for one or more states and years.
Source
Codebook Version 3 IGO Data for the full reference.
Arguments
- state
A state name or code, or a vector of names or codes, as specified in states2024.
- year
An integer or vector of years to assess. If
NULL, the latest available year for each state is used.- status
A character vector of membership statuses to extract from IGO-level state membership records. See igo_year_format3 for valid statuses.
Value
A data.frame with one row per matching state, IGO and
year, including the membership status.
Returns NULL invisibly if no results are available.
References
Pevehouse, J. C., Nordstrom, T., McManus, R. W. & Jamison, A. S. (2020). Tracking organizations in the world: The Correlates of War IGO Version 3.0 data sets. Journal of Peace Research, 57(3), 492–503. doi:10.1177/0022343319881175 .
See also
igo_search_states() to find state identifiers, igo_year_format3 for
IGO-year membership data and states2024 for state metadata.
Extract IGO membership data:
igo_dyadic(),
igo_members()
Examples
# Memberships in selected years.
igo_state_membership("Spain", year = 1850)
#> ccode stateabb statenme state year ioname value category
#> 1 230 SPN Spain spain 1850 SCH 1 Full Membership
#> orgname longorgname political social
#> 1 Superior Council of Health Superior Council of Health 0 1
#> economic
#> 1 0
igo_state_membership("Spain", year = 1870)
#> ccode stateabb statenme state year ioname value category
#> 1 230 SPN Spain spain 1870 ICCSLT 1 Full Membership
#> 2 230 SPN Spain spain 1870 ITU 1 Full Membership
#> 3 230 SPN Spain spain 1870 SCH 1 Full Membership
#> orgname
#> 1 Intl Comm of Cape Spartel Light
#> 2 Intl Telecom Union
#> 3 Superior Council of Health
#> longorgname political
#> 1 International Commission of the Cape Spartel Light in Tangier 0
#> 2 International Telecommunication Union 0
#> 3 Superior Council of Health 0
#> social economic
#> 1 0 1
#> 2 0 1
#> 3 1 0
igo_state_membership("Spain", year = 1880:1882)
#> ccode stateabb statenme state year ioname value category
#> 1 230 SPN Spain spain 1880 BIPM 1 Full Membership
#> 2 230 SPN Spain spain 1880 ICCSLT 1 Full Membership
#> 3 230 SPN Spain spain 1880 IPentC 1 Full Membership
#> 4 230 SPN Spain spain 1880 ITU 1 Full Membership
#> 5 230 SPN Spain spain 1880 SCH 1 Full Membership
#> 6 230 SPN Spain spain 1880 UPU 1 Full Membership
#> 7 230 SPN Spain spain 1881 BIPM 1 Full Membership
#> 8 230 SPN Spain spain 1881 ICCSLT 1 Full Membership
#> 9 230 SPN Spain spain 1881 IPentC 1 Full Membership
#> 10 230 SPN Spain spain 1881 ITU 1 Full Membership
#> 11 230 SPN Spain spain 1881 SCH 1 Full Membership
#> 12 230 SPN Spain spain 1881 UPU 1 Full Membership
#> 13 230 SPN Spain spain 1882 BIPM 1 Full Membership
#> 14 230 SPN Spain spain 1882 ICCSLT 1 Full Membership
#> 15 230 SPN Spain spain 1882 IPentC 1 Full Membership
#> 16 230 SPN Spain spain 1882 ITU 1 Full Membership
#> 17 230 SPN Spain spain 1882 SCH 1 Full Membership
#> 18 230 SPN Spain spain 1882 UPU 1 Full Membership
#> orgname
#> 1 International Bureau of Weights & Measures
#> 2 Intl Comm of Cape Spartel Light
#> 3 Intl Penitentiary Comm
#> 4 Intl Telecom Union
#> 5 Superior Council of Health
#> 6 Universal Postal Union
#> 7 International Bureau of Weights & Measures
#> 8 Intl Comm of Cape Spartel Light
#> 9 Intl Penitentiary Comm
#> 10 Intl Telecom Union
#> 11 Superior Council of Health
#> 12 Universal Postal Union
#> 13 International Bureau of Weights & Measures
#> 14 Intl Comm of Cape Spartel Light
#> 15 Intl Penitentiary Comm
#> 16 Intl Telecom Union
#> 17 Superior Council of Health
#> 18 Universal Postal Union
#> longorgname political
#> 1 International Bureau of Weights and Measures (BIPM) 0
#> 2 International Commission of the Cape Spartel Light in Tangier 0
#> 3 International Penitentiary Commission 0
#> 4 International Telecommunication Union 0
#> 5 Superior Council of Health 0
#> 6 Universal Postal Union 0
#> 7 International Bureau of Weights and Measures (BIPM) 0
#> 8 International Commission of the Cape Spartel Light in Tangier 0
#> 9 International Penitentiary Commission 0
#> 10 International Telecommunication Union 0
#> 11 Superior Council of Health 0
#> 12 Universal Postal Union 0
#> 13 International Bureau of Weights and Measures (BIPM) 0
#> 14 International Commission of the Cape Spartel Light in Tangier 0
#> 15 International Penitentiary Commission 0
#> 16 International Telecommunication Union 0
#> 17 Superior Council of Health 0
#> 18 Universal Postal Union 0
#> social economic
#> 1 0 1
#> 2 0 1
#> 3 1 0
#> 4 0 1
#> 5 1 0
#> 6 0 1
#> 7 0 1
#> 8 0 1
#> 9 1 0
#> 10 0 1
#> 11 1 0
#> 12 0 1
#> 13 0 1
#> 14 0 1
#> 15 1 0
#> 16 0 1
#> 17 1 0
#> 18 0 1
# Use the latest available year.
igo_state_membership("ZAN")[, 1:7]
#> ccode stateabb statenme state year ioname value
#> 1 511 ZAN Zanzibar zanzibar 1964 CEC 1
#> 2 511 ZAN Zanzibar zanzibar 1964 ITU 1
#> 3 511 ZAN Zanzibar zanzibar 1964 UN 1
#> 4 511 ZAN Zanzibar zanzibar 1964 UPU 1
# Search by state code.
igo_state_membership("2", year = 1865)
#> ccode stateabb statenme state year ioname value
#> 1 2 USA United States of America usa 1865 ICCSLT 1
#> category orgname
#> 1 Full Membership Intl Comm of Cape Spartel Light
#> longorgname political
#> 1 International Commission of the Cape Spartel Light in Tangier 0
#> social economic
#> 1 0 1
# Extract multiple membership statuses.
igo_state_membership("kosovo", status = c(
"Associate Membership", "Observer",
"Full Membership"
))
#> ccode stateabb statenme state year ioname value category
#> 1 347 KOS Kosovo kosovo 2014 EBRD 1 Full Membership
#> 2 347 KOS Kosovo kosovo 2014 IBRD 1 Full Membership
#> 3 347 KOS Kosovo kosovo 2014 IFC 1 Full Membership
#> 4 347 KOS Kosovo kosovo 2014 IMF 1 Full Membership
#> 5 347 KOS Kosovo kosovo 2014 MIGA 1 Full Membership
#> 6 347 KOS Kosovo kosovo 2014 ACCT 2 Associate Membership
#> orgname
#> 1 European Bank for Reconstruction & Development
#> 2 World Bank
#> 3 Int'l Finance Corporation
#> 4 Intl Monetary Fund
#> 5 Multilateral Investment Guarantee Agency
#> 6 Francophone Agency
#> longorgname political
#> 1 European Bank for Reconstruction and Development (EBRD) 0
#> 2 International Bank for Reconstruction and Development (World Bank) 0
#> 3 International Finance Corporation (IFC) 0
#> 4 International Monetary Fund 0
#> 5 Multilateral Investment Guarantee Agency (MIGA) 0
#> 6 Agence de La Francophonie (ACCT) 0
#> social economic
#> 1 0 1
#> 2 0 1
#> 3 0 1
#> 4 0 1
#> 5 0 1
#> 6 1 0
# Vectorized search.
igo_state_membership(c("usa", "spain"), year = 1870:1871)
#> ccode stateabb statenme state year ioname value
#> 1 2 USA United States of America usa 1870 ICCSLT 1
#> 2 2 USA United States of America usa 1871 ICCSLT 1
#> 3 230 SPN Spain spain 1870 ICCSLT 1
#> 4 230 SPN Spain spain 1870 ITU 1
#> 5 230 SPN Spain spain 1870 SCH 1
#> 6 230 SPN Spain spain 1871 ICCSLT 1
#> 7 230 SPN Spain spain 1871 ITU 1
#> 8 230 SPN Spain spain 1871 SCH 1
#> category orgname
#> 1 Full Membership Intl Comm of Cape Spartel Light
#> 2 Full Membership Intl Comm of Cape Spartel Light
#> 3 Full Membership Intl Comm of Cape Spartel Light
#> 4 Full Membership Intl Telecom Union
#> 5 Full Membership Superior Council of Health
#> 6 Full Membership Intl Comm of Cape Spartel Light
#> 7 Full Membership Intl Telecom Union
#> 8 Full Membership Superior Council of Health
#> longorgname political
#> 1 International Commission of the Cape Spartel Light in Tangier 0
#> 2 International Commission of the Cape Spartel Light in Tangier 0
#> 3 International Commission of the Cape Spartel Light in Tangier 0
#> 4 International Telecommunication Union 0
#> 5 Superior Council of Health 0
#> 6 International Commission of the Cape Spartel Light in Tangier 0
#> 7 International Telecommunication Union 0
#> 8 Superior Council of Health 0
#> social economic
#> 1 0 1
#> 2 0 1
#> 3 0 1
#> 4 0 1
#> 5 1 0
#> 6 0 1
#> 7 0 1
#> 8 1 0
# Add country codes.
if (requireNamespace("countrycode", quietly = TRUE)) {
library(countrycode)
IT <- igo_state_membership("Italy", year = 1880)
IT$iso3c <- countrycode(IT$ccode, origin = "cown", destination = "iso3c")
head(IT)
}
#> ccode stateabb statenme state year ioname value category
#> 1 325 ITA Italy italy 1880 BIPM 1 Full Membership
#> 2 325 ITA Italy italy 1880 ECCD 1 Full Membership
#> 3 325 ITA Italy italy 1880 ICCSLT 1 Full Membership
#> 4 325 ITA Italy italy 1880 IPentC 1 Full Membership
#> 5 325 ITA Italy italy 1880 ITU 1 Full Membership
#> 6 325 ITA Italy italy 1880 SCH 1 Full Membership
#> orgname
#> 1 International Bureau of Weights & Measures
#> 2 Euro Comm for Control of Danube
#> 3 Intl Comm of Cape Spartel Light
#> 4 Intl Penitentiary Comm
#> 5 Intl Telecom Union
#> 6 Superior Council of Health
#> longorgname political
#> 1 International Bureau of Weights and Measures (BIPM) 0
#> 2 European Commission for Control of the Danube 0
#> 3 International Commission of the Cape Spartel Light in Tangier 0
#> 4 International Penitentiary Commission 0
#> 5 International Telecommunication Union 0
#> 6 Superior Council of Health 0
#> social economic iso3c
#> 1 0 1 ITA
#> 2 1 0 ITA
#> 3 0 1 ITA
#> 4 1 0 ITA
#> 5 0 1 ITA
#> 6 1 0 ITA