Thread by @ElectionMapsUK

#GE2019 if only 18-24 year-olds could vote:

LAB: 544 (56%)
SNP: 58 (5%)
LDM: 22 (11%)
CON: 4 (21%)
GRN: 1 (4%)
PLC: 1 (0.5%)
IND: 1

Northern Ireland: SF 7, DUP 6, ALL 2, SDLP 2, UUP 1.

Labour Majority of 438.

#GE2019 if only 25-49 year-olds could vote:

LAB: 310 (43%)
CON: 240 (34%)
SNP: 56 (5%)
LDM: 21 (13%)
PLC: 3 (0.5%)
GRN: 1 (3%)

Northern Ireland: DUP 8, SF 7, SDLP 2, ALL 1.

Labour 16 short of a Majority.

#GE2019 if only 50-64 year-olds could vote:

CON: 421 (50%)
LAB: 149 (17%)
SNP: 47 (4%)
LDM: 9 (12%)
PLC: 4 (0.5%)
GRN: 1 (3%)

Northern Ireland: DUP 8, SF 6, SDLP 2, ALL 1, UUP 1.

Conservative Majority of 192.

#GE2019 if only over 65 year-olds could vote:

CON: 562 (64%)
LAB: 51 (17%)
LDM: 10 (11%)
SNP: 5 (3%)
PLC: 2 (0.5%)
GRN: 1 (2%)

Northern Ireland: DUP 8, SF 4, SDLP 3, ALL 2, UUP 1.

Conservative Majority of 474.

It hasn't always been this way...

This only really started in 2017.

...Well, it was the EU ref when we first saw it, but 2017 was the first GE when the gap became so huge.

And the gap does not seem to be closing. If anything, it's widening.