Based on a comparison of 126 countries in 2021, China ranked the highest in number of teachers in secondary education with 6,839 '000 followed by India and USA. On the other end of the scale was Liechtenstein with 0.333 '000, Cayman Islands with 0.345 '000 and Monaco with 0.476 '000.
Data for more countries are available at Number of Teachers (Secondary Education) indicator page.
| Number of Teachers (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 | ... | 436 | 451 | 452 | 407 | ||||||||||||||||
| Brazil | '000 | ... | 1,429 | 1,418 | 1,382 | 1,380 | 1,368 | ... | ||||||||||||||
| China | '000 | ... | ... | 6,234 | 6,220 | 6,267 | 6,360 | 6,475 | ||||||||||||||
| Dem. Republic of the Congo | '000 | ... | ... | ... | ... | ... | ... | 324 | ... | ... | 378 | ... | ... | |||||||||
| Egypt | '000 | ... | ... | ... | ... | ... | ... | 591 | 588 | 603 | 594 | ... | ... | |||||||||
| Germany | '000 | 586 | 589 | 587 | 587 | 587 | ... | |||||||||||||||
| India | '000 | ... | ... | ... | ... | 4,093 | 4,639 | 4,731 | ... | 6,103 | ||||||||||||
| Indonesia | '000 | 1,456 | 1,674 | 1,586 | 1,637 | 1,307 | ... | |||||||||||||||
| Italy | '000 | ... | ... | ... | ... | ... | 408 | 457 | 461 | 461 | 464 | ... | ||||||||||
| Japan | '000 | 634 | 638 | 638 | 637 | 634 | ... | ... | ||||||||||||||
| Mexico | '000 | 814 | 831 | 827 | 834 | 867 | ... | |||||||||||||||
| Philippines | '000 | ... | ... | ... | ... | 279 | 314 | 377 | 422 | 451 | ... | |||||||||||
| Russia | '000 | ... | ... | ... | ... | ... | ... | ... | ... | 769 | 769 | 767 | ... | |||||||||
| Turkey | '000 | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | 594 | 658 | 657 | 688 | 725 | ... | ||||
| USA | '000 | 1,661 | ... | 1,695 | ... | 1,705 | ... |
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