<P> For the customs union, the treaty provided for a 10% reduction in custom duties and up to 20% of global import quotas . Progress on the customs union proceeded much faster than the twelve years planned . However, France faced some setbacks due to their war with Algeria . </P> <P> The six states that founded the EEC and the other two Communities were known as the "inner six" (the "outer seven" were those countries who formed the European Free Trade Association). The six were France, West Germany, Italy and the three Benelux countries: Belgium, the Netherlands and Luxembourg . The first enlargement was in 1973, with the accession of Denmark, Ireland and the United Kingdom . Greece, Spain and Portugal joined in the 1980s . The former East Germany became part of the EEC upon German reunification in 1990 . Following the creation of the EU in 1993, it has enlarged to include an additional sixteen countries by 2013 . </P> <Table> <Tr> <Th> Flag </Th> <Th> State </Th> <Th> Accession </Th> <Th> Language (s) </Th> <Th> Currency </Th> <Th> Population (1990) </Th> </Tr> <Tr> <Td> </Td> <Td> Belgium </Td> <Td> 000000001957 - 03 - 25 - 0000 25 March 1957 </Td> <Td> Dutch, French and German </Td> <Td> Belgian franc </Td> <Td> 7007100160000000000 ♠ 10,016,000 </Td> </Tr> <Tr> <Td> </Td> <Td> France </Td> <Td> 000000001957 - 03 - 25 - 0000 25 March 1957 </Td> <Td> French </Td> <Td> French franc </Td> <Td> 7007567180000000000 ♠ 56,718,000 </Td> </Tr> <Tr> <Td> </Td> <Td> West Germany / Germany </Td> <Td> 000000001957 - 03 - 25 - 0000 25 March 1957 </Td> <Td> German </Td> <Td> German mark </Td> <Td> 7007632540000000000 ♠ 63,254,000 </Td> </Tr> <Tr> <Td> </Td> <Td> Italy </Td> <Td> 000000001957 - 03 - 25 - 0000 25 March 1957 </Td> <Td> Italian </Td> <Td> Italian lira </Td> <Td> 7007567627000000000 ♠ 56,762,700 </Td> </Tr> <Tr> <Td> </Td> <Td> Luxembourg </Td> <Td> 000000001957 - 03 - 25 - 0000 25 March 1957 </Td> <Td> French, German and Luxembourgish </Td> <Td> Luxembourgish franc </Td> <Td> 7005384400000000000 ♠ 384,400 </Td> </Tr> <Tr> <Td> </Td> <Td> Netherlands </Td> <Td> 000000001957 - 03 - 25 - 0000 25 March 1957 </Td> <Td> Dutch and Frisian </Td> <Td> Dutch guilder </Td> <Td> 7007148923000000000 ♠ 14,892,300 </Td> </Tr> <Tr> <Td> </Td> <Td> Denmark </Td> <Td> 000000001973 - 01 - 01 - 0000 1 January 1973 </Td> <Td> Danish </Td> <Td> Danish krone </Td> <Td> 7006514650000000000 ♠ 5,146,500 </Td> </Tr> <Tr> <Td> </Td> <Td> Ireland </Td> <Td> 000000001973 - 01 - 01 - 0000 1 January 1973 </Td> <Td> Irish and English </Td> <Td> Irish pound </Td> <Td> 7006352100000000000 ♠ 3,521,000 </Td> </Tr> <Tr> <Td> </Td> <Td> United Kingdom </Td> <Td> 000000001973 - 01 - 01 - 0000 1 January 1973 </Td> <Td> English </Td> <Td> Pound sterling </Td> <Td> 7007576810000000000 ♠ 57,681,000 </Td> </Tr> <Tr> <Td> </Td> <Td> Greece </Td> <Td> 000000001981 - 01 - 01 - 0000 1 January 1981 </Td> <Td> Greek </Td> <Td> Greek drachma </Td> <Td> 7007101200000000000 ♠ 10,120,000 </Td> </Tr> <Tr> <Td> </Td> <Td> Portugal </Td> <Td> 000000001986 - 01 - 01 - 0000 1 January 1986 </Td> <Td> Portuguese </Td> <Td> Portuguese escudo </Td> <Td> 7006986250000000000 ♠ 9,862,500 </Td> </Tr> <Tr> <Td> </Td> <Td> Spain </Td> <Td> 000000001986 - 01 - 01 - 0000 1 January 1986 </Td> <Td> Spanish </Td> <Td> Spanish peseta </Td> <Td> 7007389938000000000 ♠ 38,993,800 </Td> </Tr> </Table> <Tr> <Th> Flag </Th> <Th> State </Th> <Th> Accession </Th> <Th> Language (s) </Th> <Th> Currency </Th> <Th> Population (1990) </Th> </Tr>

Who are the members of the european economic community
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