The following are international rankings of Vietnam. Cities Hanoi, ECA International: Most expensive cities 2015, ranked 198 of 250 and 59 out of 63 in Asia Pacific region. Ho Chi Minh City, ECA International: Most expensive cities 2015, ranked 201 Ho Chi Minh City, Urban area population 2015 projection, ranked 39 Hanoi, Urban area population 2015 projection, ranked 109 Demographics 2022 Population ranked 15 out of 195 Population Density ranked 49 out of 248 Total immigrant population as of 2006 ranked 156 out of 192 countries Economy IMD International: World Competitiveness Scoreboard 2009, not ranked among top 57 economies Heritage Foundation/The Wall Street Journal: 2012 Index of Economic Freedom ranked 136 out of 179 World Economic Forum: Global Competitiveness Report 2012-2013, ranked 75 out of 144 countries World Economic Forum Global Competitiveness Report 2011, ranked 65 out of 142 Education 2018 Programme for International Student Assessment - Mathematics ranked 24 out of 79 2018 Programme for International Student Assessment - Science ranked 4 out of 79 2018 Programme for International Student Assessment - Reading ranked 13 out of 78 Literacy rate ranked 93 out of 195 Environment Yale University Center for Environmental Law and Policy and Columbia University Center for International Earth Science Information Network: 2008 Environmental Performance Index, ranked 76 out of 149 countries Geography Total area ranked 65 out of 233 countries Globalization KOF: Index of Globalization 2011, 125 out of 208 A.T. Kearney/Foreign Policy Magazine: Globalization Index 2006, not ranked Health Body mass index ranked 183 out of 196 Healthcare ranked 62 out of 91 Life expectancy ranked 77 out of 194 Obesity ranked 191 out of 191 (world least fattest countries) Suicide rate ranked 114 out of 183 Industry OICA automobile production 2007, ranked 46 out of 51 countries Military Institute for Economics and Peace 2011 Global Peace Index ranked 30 out of 153 Political Transparency International: Corruption Perceptions Index 2011, ranked 112 out of 183 countries Reporters Without Borders: Worldwide Press Freedom Index 2011-2012, ranked 172 out of 179 countries The Economist Democracy Index 2007, ranked 149 out of 167 countries Safety Global Peace Index ranked 44 out of 163 Global Terrorism Index ranked 85 out of 163 Society United Nations Development Programme Human Development Index 2011, ranked 128 out of 187 The Economist: Quality-of-Life Index 2005, ranked 61 out of 111 countries University of Leicester Satisfaction with Life Index 2006, ranked 95 out of