Literacy rate, youth total (% of people ages 15-24)

Source: worldbank.org, 01.09.2025

Year: 2021

Flag Country Value Value change, % Rank
Afghanistan Afghanistan 56 +56.3% 53
United Arab Emirates United Arab Emirates 100 +2.04% 1
Benin Benin 65.3 +11.1% 50
Burkina Faso Burkina Faso 62.7 +33.3% 51
Bangladesh Bangladesh 95 +1.06% 39
Bulgaria Bulgaria 98.1 +0.0612% 32
Bolivia Bolivia 99.5 -0.0402% 13
Brazil Brazil 99.3 +0.0504% 18
Brunei Brunei 99.8 +0.778% 8
Côte d’Ivoire Côte d’Ivoire 66.8 -20.4% 49
Congo - Brazzaville Congo - Brazzaville 82.4 +1.79% 45
Colombia Colombia 99.1 +0.111% 22
Costa Rica Costa Rica 99.5 +23.6% 12
Cuba Cuba 99.9 +0.264% 5
Cyprus Cyprus 99.9 -0.1% 4
Dominican Republic Dominican Republic 98.8 -0.0202% 27
Ecuador Ecuador 96.3 +1.31% 37
Estonia Estonia 100 -0.01% 2
Fiji Fiji 97.6 34
Gabon Gabon 94 +6.19% 41
Guinea Guinea 60.3 +11.7% 52
Gambia Gambia 67.5 -5.05% 48
Croatia Croatia 99.8 -0.24% 9
Hungary Hungary 98.7 -0.504% 29
Cambodia Cambodia 91.8 -0.182% 43
Sri Lanka Sri Lanka 99 0% 25
Lithuania Lithuania 99.9 -0.05% 3
Latvia Latvia 99.8 -0.18% 6
Macao SAR China Macao SAR China 99.8 -0.21% 7
Moldova Moldova 99.7 -0.3% 11
Madagascar Madagascar 82.4 +2.98% 44
Maldives Maldives 99.4 +0.694% 15
Malta Malta 99.4 +0.455% 14
Montenegro Montenegro 99.1 +1.67% 24
Mauritania Mauritania 76.5 +7.94% 46
Mauritius Mauritius 99.3 +1.33% 17
Namibia Namibia 95.6 +1.48% 38
Nigeria Nigeria 73.7 +12% 47
Nepal Nepal 94.2 -0.0619% 40
Panama Panama 99.3 +0.374% 19
Peru Peru 99.1 -0.402% 21
Poland Poland 99.9 +0.1% 4
Puerto Rico Puerto Rico 92.4 +0.435% 42
Portugal Portugal 99.7 +0.717% 10
Paraguay Paraguay 98.6 -0.0101% 30
Romania Romania 100 +1.01% 1
Russia Russia 100 0% 1
Singapore Singapore 100 0% 1
El Salvador El Salvador 98.1 -0.447% 31
Suriname Suriname 98.9 +1.24% 26
Syria Syria 98 +1.98% 33
Thailand Thailand 98.8 +0.284% 28
Tonga Tonga 99.4 -0.495% 16
Ukraine Ukraine 99.9 -0.0698% 4
Uruguay Uruguay 99.2 +0.162% 20
Uzbekistan Uzbekistan 100 0% 1
Vanuatu Vanuatu 96.9 +1.68% 36
Samoa Samoa 99.1 +0.0766% 23
South Africa South Africa 97 -1.02% 35 

                    
# 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.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.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))