Literacy rate, youth (ages 15-24), gender parity index (GPI)

Source: worldbank.org, 03.09.2025

Year: 2021

Flag Country Value Value change, % Rank
Afghanistan Afghanistan 1 +127% 28
United Arab Emirates United Arab Emirates 1 0% 28
Benin Benin 0.834 +9.27% 42
Burkina Faso Burkina Faso 0.882 -11.8% 40
Bangladesh Bangladesh 1 0% 28
Bulgaria Bulgaria 0.996 -0.448% 34
Bolivia Bolivia 1 +0.09% 24
Brazil Brazil 1 -0.129% 11
Brunei Brunei 1 +0.12% 19
Côte d’Ivoire Côte d’Ivoire 0.766 -23.4% 43
Congo - Brazzaville Congo - Brazzaville 0.933 +3.92% 38
Colombia Colombia 1.01 -0.0397% 6
Costa Rica Costa Rica 1 -11.7% 18
Cuba Cuba 1 -0.137% 24
Cyprus Cyprus 1 +0.02% 26
Dominican Republic Dominican Republic 1 -0.229% 15
Ecuador Ecuador 1 -1.83% 14
Estonia Estonia 1 +0.01% 27
Fiji Fiji 1.03 2
Gabon Gabon 0.98 -4.2% 36
Guinea Guinea 0.688 -31.2% 44
Gambia Gambia 0.869 -2.82% 41
Croatia Croatia 1 +0.03% 25
Hungary Hungary 1 +0.404% 12
Cambodia Cambodia 1.03 +3.42% 1
Sri Lanka Sri Lanka 1 0% 28
Lithuania Lithuania 1 +0.01% 27
Latvia Latvia 1 +0.09% 22
Macao SAR China Macao SAR China 1 +0.34% 14
Moldova Moldova 1 0% 28
Madagascar Madagascar 0.997 -0.35% 32
Maldives Maldives 0.998 -0.44% 30
Malta Malta 1 +0.341% 13
Montenegro Montenegro 0.997 -2.93% 31
Mauritania Mauritania 0.963 +8.19% 37
Mauritius Mauritius 1.01 +0.542% 9
Namibia Namibia 1.02 -1.86% 3
Nigeria Nigeria 0.888 +5.55% 39
Nepal Nepal 0.98 +3.05% 35
Panama Panama 1 +0.02% 29
Peru Peru 1 +0.26% 20
Poland Poland 1 +0.1% 21
Puerto Rico Puerto Rico 1 0% 28
Portugal Portugal 1 +0.07% 23
Paraguay Paraguay 1.01 +1.16% 4
Romania Romania 1 0% 28
Russia Russia 1 0% 28
Singapore Singapore 1 0% 28
El Salvador El Salvador 1 +0.0597% 10
Suriname Suriname 0.996 -0.926% 33
Syria Syria 1 +1.79% 28
Thailand Thailand 1.01 +0.593% 5
Tonga Tonga 1 +0.243% 16
Ukraine Ukraine 1 +0.174% 17
Uruguay Uruguay 1 -0.507% 23
Uzbekistan Uzbekistan 1 0% 28
Vanuatu Vanuatu 1.01 +0.0836% 7
Samoa Samoa 1.01 -0.413% 8
South Africa South Africa 1 0% 28 

                    
# Install missing packages
import sys
import subprocess

def install(package):
subprocess.check_call([sys.executable, "-m", "pip", "install", package])

# Required packages
for package in ['wbdata', 'country_converter']:
try:
__import__(package)
except ImportError:
install(package)

# Import libraries
import wbdata
import country_converter as coco
from datetime import datetime

# Define World Bank indicator code
dataset_code = 'SE.ADT.1524.LT.FM.ZS'

# Download data from World Bank API
data = wbdata.get_dataframe({dataset_code: 'value'},
date=(datetime(1960, 1, 1), datetime.today()),
parse_dates=True,
keep_levels=True).reset_index()

# Extract year
data['year'] = data['date'].dt.year

# Convert country names to ISO codes using country_converter
cc = coco.CountryConverter()
data['iso2c'] = cc.convert(names=data['country'], to='ISO2', not_found=None)
data['iso3c'] = cc.convert(names=data['country'], to='ISO3', not_found=None)

# Filter out rows where ISO codes could not be matched — likely not real countries
data = data[data['iso2c'].notna() & data['iso3c'].notna()]

# Sort for calculation
data = data.sort_values(['iso3c', 'year'])

# Calculate YoY absolute and percent change
data['value_change'] = data.groupby('iso3c')['value'].diff()
data['value_change_percent'] = data.groupby('iso3c')['value'].pct_change() * 100

# Calculate ranks (higher GDP per capita = better rank)
data['rank'] = data.groupby('year')['value'].rank(ascending=False, method='dense')

# Calculate rank change from previous year
data['rank_change'] = data.groupby('iso3c')['rank'].diff()

# Select desired columns
final_df = data[['country', 'iso2c', 'iso3c', 'year', 'value',
'value_change', 'value_change_percent', 'rank', 'rank_change']].copy()

# Optional: Add labels as metadata (could be useful for export or UI)
column_labels = {
'country': 'Country name',
'iso2c': 'ISO 2-letter country code',
'iso3c': 'ISO 3-letter country code',
'year': 'Year',
'value': 'GDP per capita (current US$)',
'value_change': 'Year-over-Year change in value',
'value_change_percent': 'Year-over-Year percent change in value',
'rank': 'Country rank by GDP per capita (higher = richer)',
'rank_change': 'Change in rank from previous year'
}

# Display first few rows
print(final_df.head(10))

# Optional: Save to CSV
#final_df.to_csv("gdp_per_capita_cleaned.csv", index=False)
                    
                
                    
# Check and install required packages
required_packages <- c("WDI", "countrycode", "dplyr")

for (pkg in required_packages) {
  if (!requireNamespace(pkg, quietly = TRUE)) {
    install.packages(pkg)
  }
}

# Load the necessary libraries
library(WDI)
library(dplyr)
library(countrycode)

# Define the dataset code (World Bank indicator code)
dataset_code <- 'SE.ADT.1524.LT.FM.ZS'

# Download data using WDI package
dat <- WDI(indicator = dataset_code)

# Filter only countries using 'is_country' from countrycode
# This uses iso2c to identify whether the entry is a recognized country
dat <- dat %>%
  filter(countrycode(iso2c, origin = 'iso2c', destination = 'country.name', warn = FALSE) %in%
           countrycode::codelist$country.name.en)

# Ensure dataset is ordered by country and year
dat <- dat %>%
  arrange(iso3c, year)

# Rename the dataset_code column to "value" for easier manipulation
dat <- dat %>%
  rename(value = !!dataset_code)

# Calculate year-over-year (YoY) change and percentage change
dat <- dat %>%
  group_by(iso3c) %>%
  mutate(
    value_change = value - lag(value),                              # Absolute change from previous year
    value_change_percent = 100 * (value - lag(value)) / lag(value) # Percent change from previous year
  ) %>%
  ungroup()

# Calculate rank by year (higher value => higher rank)
dat <- dat %>%
  group_by(year) %>%
  mutate(rank = dense_rank(desc(value))) %>% # Rank countries by descending value
  ungroup()

# Calculate rank change (positive = moved up, negative = moved down)
dat <- dat %>%
  group_by(iso3c) %>%
  mutate(rank_change = rank - lag(rank)) %>% # Change in rank compared to previous year
  ungroup()

# Select and reorder final columns
final_data <- dat %>%
  select(
    country,
    iso2c,
    iso3c,
    year,
    value,
    value_change,
    value_change_percent,
    rank,
    rank_change
  )

# Add labels (variable descriptions)
attr(final_data$country, "label") <- "Country name"
attr(final_data$iso2c, "label") <- "ISO 2-letter country code"
attr(final_data$iso3c, "label") <- "ISO 3-letter country code"
attr(final_data$year, "label") <- "Year"
attr(final_data$value, "label") <- "GDP per capita (current US$)"
attr(final_data$value_change, "label") <- "Year-over-Year change in value"
attr(final_data$value_change_percent, "label") <- "Year-over-Year percent change in value"
attr(final_data$rank, "label") <- "Country rank by GDP per capita (higher = richer)"
attr(final_data$rank_change, "label") <- "Change in rank from previous year"

# Print the first few rows of the final dataset
print(head(final_data, 10))