Previous enlargements were unpopular as well with support in the low 40s percentage points in 2001 however this rapidly increased to above 50% as enlargement approached before falling back, possibly as a result of media attention towards the possible negative consequences such as immigration. [1]  Therefore basing policy on public opinion years, possibly decades before a country would actually be joining the EU is not helpful as opinion is fickle and could easily change in the intervening period. Moreover public opinion is likely to be based upon prejudices, for example with Turkey opposition is based on it being a Muslim country but this ignores that Turkey is in fact secular with an Islamic culture in a similar way to France being a secular state with a Christian culture.  [1] Antonia M. Ruiz-Jiménez, José I. Torreblanca, ‘Is there a trade-off between deepening and widening? What do Europeans think?’, European Policy Institutes Network, Working Paper No.17 April 2008, p.3