Based on a comparison of 137 countries in 2021, India ranked the highest in number of pupils in secondary education with 138,364 '000 followed by China and USA. On the other end of the scale was Liechtenstein with 3.26 '000, Monaco with 3.41 '000 and Cayman Islands with 3.52 '000.
Data for more countries are available at Number of Pupils (Secondary Education) indicator page.
| Number of Pupils (Secondary Education) | Unit | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 |
| Bangladesh | '000 | 14,567 | 15,788 | 15,315 | 15,870 | 15,711 | ||||||||||||||||
| Brazil | '000 | ... | ... | 23,502 | 23,538 | 23,118 | 22,864 | 22,248 | ... | |||||||||||||
| China | '000 | ... | ... | 86,127 | 83,956 | 83,408 | 84,322 | 86,102 | ||||||||||||||
| Egypt | '000 | ... | ... | ... | ... | ... | 8,745 | 8,938 | 9,137 | 9,414 | ... | ... | ||||||||||
| France | '000 | 5,983 | 6,017 | 6,058 | 6,110 | 6,126 | ... | |||||||||||||||
| Germany | '000 | 7,113 | 7,073 | 7,029 | 6,949 | 6,923 | ... | |||||||||||||||
| India | '000 | 129,542 | 132,161 | 129,829 | 131,317 | 130,933 | ||||||||||||||||
| Japan | '000 | 7,221 | 7,157 | 7,093 | 6,996 | 6,875 | ... | ... | ||||||||||||||
| Mexico | '000 | 13,473 | 13,725 | 14,035 | 14,161 | 14,106 | ... | |||||||||||||||
| Pakistan | '000 | ... | ... | 12,078 | 12,597 | 12,529 | 13,358 | 14,189 | ... | ... | ||||||||||||
| Philippines | '000 | ... | ... | ... | 7,319 | 7,397 | 9,007 | 10,562 | 11,347 | |||||||||||||
| Russia | '000 | ... | ... | ... | 9,385 | 9,567 | 9,905 | 10,242 | 10,543 | ... | ... | |||||||||||
| Turkey | '000 | 10,969 | 11,019 | 11,404 | 11,280 | 11,277 | ... | |||||||||||||||
| USA | '000 | 24,417 | 24,708 | 24,788 | 24,871 | 25,014 | ... | |||||||||||||||
| United Kingdom | '000 | 6,375 | 7,642 | 6,386 | 6,174 | 6,139 | ... |
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