Introduction

• Data set: World Happiness Report for 2020 (downloaded from Kaggle) conducted by the Gallup World Survey
• About: From 153 countries around the world, gathered information about how happy everyone is feeling this year.
• Variables:
  • Country name
  • Region
  • Ladder score (state of happiness on a scale of 1 - 10)
  • Logged GDP per capita (updated by the World Development Indicators (WDI))
  • Social support (scale of 0-1)
  • Life expectancy
  • Freedom to make life choice (scale of 0-1)
  • Generosity (scale of 0-1)
  • Perceptions of corruption (scale of 0-1)

Categorical vs Numeric Graph No. 1

• Region vs Ladder Score
• North America seems to have a lot of happy people.
• South Asia and Sub-Saharan Africa isn’t too happy.
• Everybody seems to be feeling neutral.

Categorical vs Numeric Graph No. 2

• Region vs Life Expectancy
• North America and Western Europe have higher life expectancies.
• South Asia and Sub-Saharan Africa have lower life expectancies.

Numeric vs Numeric Graph No. 1

• Social Support vs Life Expectancy
• The more social support, the higher life expectancy.
• Sub-Saharan Africa has low life expectancies with little social support.
• East Asia and Western Europe have higher life expectancies with a lot of social support.

Numeric vs Numeric Graph No. 2

• Corruption vs GDP
• The majority of the graph is skewed left, which means there’s a lot of perceived corruption.
• Sub-Saharan Africa has the most corruption with the least GDP.
• Western Europe has the least corruption with the most GDP.

Graph Summary

• From these graphs, Western Europe is the most happiest region of 2020 and Sub-Saharan Africa is the least happiest region of 2020.

Most & Least Happiest Country

happiness2020 %>%
  select(Country.name,Ladder.score) %>%
  arrange(desc(Ladder.score)) %>%
  slice_head()

##   Country.name Ladder.score
## 1      Finland       7.8087

• Finland is the most happiest country of 2020.

happiness2020 %>%
  select(Country.name,Ladder.score) %>%
  arrange(Ladder.score) %>%
  slice_head()

##   Country.name Ladder.score
## 1  Afghanistan       2.5669

• Afghanistan is the least happiest country of 2020.

Most & Least Economically Stable Country

happiness2020 %>%
  select(Country.name,Logged.GDP.per.capita) %>%
  arrange(desc(Logged.GDP.per.capita)) %>%
  slice_head()

##   Country.name Logged.GDP.per.capita
## 1   Luxembourg              11.45068

• Luxembourg is the most economically stable country of 2020.

happiness2020 %>%
  select(Country.name,Logged.GDP.per.capita) %>%
  arrange(Logged.GDP.per.capita) %>%
  slice_head()

##   Country.name Logged.GDP.per.capita
## 1      Burundi              6.492642

Burundi is the least economically stable country of 2020.

Country w/ the Most & Least Social Support

happiness2020 %>%
  select(Country.name,Social.support) %>%
  arrange(desc(Social.support)) %>%
  slice_head()

##   Country.name Social.support
## 1      Iceland      0.9746696

• Iceland has the most social support in 2020.

happiness2020 %>%
  select(Country.name,Social.support) %>%
  arrange(Social.support) %>%
  slice_head()

##               Country.name Social.support
## 1 Central African Republic      0.3194599

• The Central African Republic has the least social support in 2020.

Country w/ the Highest & Lowest Life Expectancy

happiness2020 %>%
  select(Country.name,Healthy.life.expectancy) %>%
  arrange(desc(Healthy.life.expectancy)) %>%
  slice_head()

##   Country.name Healthy.life.expectancy
## 1    Singapore                76.80458

• Singapore has the highest life expectancy of 2020.

happiness2020 %>%
  select(Country.name,Healthy.life.expectancy) %>%
  arrange(Healthy.life.expectancy) %>%
  slice_head()

##               Country.name Healthy.life.expectancy
## 1 Central African Republic                    45.2

• The Central African Republic has the lowest life expectancy of 2020.

Country w/ the Most & Least Freedom

happiness2020 %>%
  select(Country.name,Freedom.to.make.life.choices) %>%
  arrange(desc(Freedom.to.make.life.choices)) %>%
  slice_head()

##   Country.name Freedom.to.make.life.choices
## 1   Uzbekistan                    0.9749981

• Uzbekistan has the most freedom of 2020.

happiness2020 %>%
  select(Country.name,Freedom.to.make.life.choices) %>%
  arrange(Freedom.to.make.life.choices) %>%
  slice_head()

##   Country.name Freedom.to.make.life.choices
## 1  Afghanistan                     0.396573

• Afghanistan has the least freedom of 2020.

Most & Least Generous Country

happiness2020 %>%
  select(Country.name,Generosity) %>%
  arrange(desc(Generosity)) %>%
  slice_head()

##   Country.name Generosity
## 1      Myanmar   0.560664

• Myanmar is the most generous of 2020.

happiness2020 %>%
  select(Country.name,Generosity) %>%
  arrange(Generosity) %>%
  slice_head()

##   Country.name Generosity
## 1       Greece -0.3009074

• Greece is the least generous of 2020.

Country w/ the Most & Least Corruption

happiness2020 %>%
  select(Country.name,Perceptions.of.corruption) %>%
  arrange(desc(Perceptions.of.corruption)) %>%
  slice_head()

##   Country.name Perceptions.of.corruption
## 1     Bulgaria                 0.9355851

• Bulgaria has the most corruption of 2020.

happiness2020 %>%
  select(Country.name,Perceptions.of.corruption) %>%
  arrange(Perceptions.of.corruption) %>%
  slice_head()

##   Country.name Perceptions.of.corruption
## 1    Singapore                 0.1097842

• Singapore has the least corruption of 2020.

Average Life Expectancy by Region

Average GDP by Region

Most Happiest Countries in the World

• There are 17 countries in the world that are the most happiest in 2020.

##      Country.name Ladder.score
## 1         Finland       7.8087
## 2         Denmark       7.6456
## 3     Switzerland       7.5599
## 4         Iceland       7.5045
## 5          Norway       7.4880
## 6     Netherlands       7.4489
## 7          Sweden       7.3535
## 8     New Zealand       7.2996
## 9         Austria       7.2942
## 10     Luxembourg       7.2375
## 11         Canada       7.2321
## 12      Australia       7.2228
## 13 United Kingdom       7.1645
## 14         Israel       7.1286
## 15     Costa Rica       7.1214
## 16        Ireland       7.0937
## 17        Germany       7.0758

Least Happiest Countries in the World

• There are 15 countries in the world that are the least happiest in 2020.

##                Country.name Ladder.score
## 1              Sierra Leone       3.9264
## 2                   Burundi       3.7753
## 3                    Zambia       3.7594
## 4                     Haiti       3.7208
## 5                   Lesotho       3.6528
## 6                     India       3.5733
## 7                    Malawi       3.5380
## 8                     Yemen       3.5274
## 9                  Botswana       3.4789
## 10                 Tanzania       3.4762
## 11 Central African Republic       3.4759
## 12                   Rwanda       3.3123
## 13                 Zimbabwe       3.2992
## 14              South Sudan       2.8166
## 15              Afghanistan       2.5669

Countries w/ Life Expectancy Lower Than 55

• There are 19 countries in the world that have a life expectancy less than 55.

##                Country.name Healthy.life.expectancy
## 1               Ivory Coast                49.50377
## 2                     Benin                54.31247
## 3                  Cameroon                52.70494
## 4                    Guinea                54.46780
## 5                     Niger                53.50010
## 6              Burkina Faso                53.88945
## 7                      Mali                51.72698
## 8                   Nigeria                49.86191
## 9                Mozambique                54.20582
## 10                     Chad                48.22054
## 11         Congo (Kinshasa)                52.90000
## 12                Swaziland                51.18824
## 13                     Togo                54.71990
## 14             Sierra Leone                50.86514
## 15                  Burundi                53.40000
## 16                  Lesotho                48.00362
## 17 Central African Republic                45.20000
## 18              South Sudan                51.00000
## 19              Afghanistan                52.59000

Summary

• This is the overall summary for how happy the world felt in 2020.

##                           averageTitle averageNumber
## 1                 Average Ladder Score    5.47323986
## 2               Average GDP per Capita    9.29570584
## 3               Average Social Support    0.80872107
## 4              Average Life Expectancy   64.44552917
## 5 Average Freedom to Make Life Choices    0.78336017
## 6                   Average Generosity   -0.01456831
## 7    Average Perceptions of Corruption    0.73312022

Citations

• Data set: https://www.kaggle.com/mathurinache/world-happiness-report
• Data set details: https://happiness-report.s3.amazonaws.com/2020/WHR20_Ch2_Statistical_Appendix.pdf
• Information: https://worldhappiness.report/faq/