From Game Manual under "National Teams"
National team elections have two distinct phases. In the first phase, which lasts for four days, interested candidates can register for consideration for the managerial position. During this time, these candidates will start to receive votes from the country's users. After the fourth day, the election pool is reduced to the top five candidates, plus ties, plus those with at least 5% of the total number of votes.
Also, FWIW, I voted for you already beanerz. You are much more qualified than me, and I really don't want to be the NT coach anyways YET. Maybe one day when I learn the game more.
PS. you said in an earlier comment that we have to win 1 of the 2 tough games to advance. You do realize that you only need to come top 4 to advance past the first stage right? It kind of scares me that you didn't know that lol