<Table> Australian Football League (AFL) <Tr> <Td_colspan="2"> Current season, competition or edition: 2018 AFL season </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> Formerly </Th> <Td> Victorian Football League (1897--1989) </Td> </Tr> <Tr> <Th> Sport </Th> <Td> Australian rules football </Td> </Tr> <Tr> <Th> Founded </Th> <Td> 2 October 1896; 121 years ago (1896 - 10 - 02) </Td> </Tr> <Tr> <Th> Inaugural season </Th> <Td> 1897 </Td> </Tr> <Tr> <Th> CEO </Th> <Td> Gillon McLachlan </Td> </Tr> <Tr> <Th> No. of teams </Th> <Td> 18 </Td> </Tr> <Tr> <Th> Country </Th> <Td> Australia </Td> </Tr> <Tr> <Th> Headquarters </Th> <Td> Melbourne, Victoria, Australia </Td> </Tr> <Tr> <Th> Most recent champion (s) </Th> <Td> Richmond (11th premiership) </Td> </Tr> <Tr> <Th> Most titles </Th> <Td> Carlton & Essendon (16 premierships) </Td> </Tr> <Tr> <Th> TV partner (s) </Th> <Td> <P> Seven Network Fox Footy </P> <Ul> <Li> Seven Network </Li> <Li> Fox Footy </Li> </Ul> </Td> </Tr> <Tr> <Th> Sponsor (s) </Th> <Td> <P> Toyota </P> McDonald's </Td> </Tr> <Tr> <Th> Level on pyramid </Th> <Td> </Td> </Tr> <Tr> <Th> Related competitions </Th> <Td> AFL Women's WAFL VFL </Td> </Tr> <Tr> <Th> Official website </Th> <Td> AFL.com.au </Td> </Tr> </Table> <Tr> <Td_colspan="2"> Current season, competition or edition: 2018 AFL season </Td> </Tr>

How many teams are there in the afl