List all income levels supported by the World Bank API.
Arguments
- income
(
NULL|character())
Income level to query. DefaultNULL. IfNULL, all levels are returned.- lang
(
character(1))
Language to query. Default"en".
Value
A data.frame() with the available income levels. The columns are:
- id
The income level ID.
- iso2code
The ISO 2 code of the income level.
- value
The income level value.
See also
Other indicators data:
wb_country(),
wb_indicator(),
wb_language(),
wb_lending_type(),
wb_region(),
wb_source(),
wb_topic()