||<p>We use our immigration system to help mitigate a wide range of threats to the UK.
Risk is used and assessed at many places within the immigration system and the risk
posed by different countries is determined by looking at the full range of threats
to the UK, not just immigration abuse.</p><p>Those countries where such risks may
be lower will not usually be subject to our visa regime and will be non-visa nationals.
All cases are decided on the individual merits of the application.</p>