2%: Regarded as a peace-loving minority.
2%–5%: Beginnings of proselytizing from ethnic minorities and disaffected groups.
5%+: Exert an inordinate influence, pushing for things like Sharia-compliant (halal) food options in supermarkets.
[London is here (15%)]
After reaching 20%: Nations can expect hair-trigger rioting, jihad militia formations, sporadic killings, and the burnings of Christian churches and Jewish synagogues.
At 40%: Widespread massacres, chronic terror attacks, and ongoing militia warfare.
From 60%: Unfettered persecution of non-believers, ethnic cleansing, and the use of Sharia law as a weapon.