Share
= the tracked party's proportion of All Contacts within that group.
Index
= Labour (or other party) share within that group divided by the
overall Labour share x 100. Eg if we are getting 40% promise overall but 60% with
Mosaic A, the index would be 150 i.e. the share with Mosaic A is 50% higher.
An index above 100 means the party over-performs in that group; below 100 means it
under-performs.
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Every demographic category, ranked by index (see the
By demographic
tab for how Index is calculated).
Share
= the party's share of All Contacts within that group;
Lift (pp)
= that share minus the overall share, in percentage points.
Sort or filter freely; green = over-performing, red = under-performing vs the overall share.
Each cell shows the party's share of All Contacts for that combination of two
demographics. Darker red = a higher share than the overall average; grey = lower.
A written summary of the headline trends, computed from the current
data using the sidebar settings (party, period, voted filter).
Updates automatically when you change those settings.
Filtered rows for the current period (All Contacts).