| wb_income_level | R Documentation | 
List all income levels supported by the World Bank API.
wb_income_level(income = NULL, lang = "en")
| income | ( | 
| lang | ( | 
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. | 
https://api.worldbank.org/v2/incomeLevels
Other indicators data: 
wb_country(),
wb_indicator(),
wb_language(),
wb_lending_type(),
wb_region(),
wb_source(),
wb_topic()
wb_income_level()
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