Editing United and Alternative Left (section)

===[[Parliament of Catalonia]]===

{| class="wikitable" style="font-size:98%;"
|-
! width="65" rowspan="2"| Date
! colspan="3"| Votes
! colspan="2"| Seats
! rowspan="2"| Status
! rowspan="2"| Size
|-
! width="75"| #
! %
! ±[[Percentage point|pp]]
! #
! ±
|-
! [[1999 Catalan regional election|1999]]
| 44,454
| 1.4%
| —
| style="text-align:center;"| {{Composition bar compact|0|135|hex={{party color|United and Alternative Left}}|color=#000|text-shadow=no}}
| —
| style="background-color:#ddd;"| N/A
| 6th
|-
! [[2003 Catalan regional election|2003]]
| 241,163
| 7.3%
| +5.9
| style="text-align:center;"| {{Composition bar compact|1|135|hex={{party color|United and Alternative Left}}|color=#000|text-shadow=no}}
| [[File:Green Arrow Up Darker.svg|10px]]1
| style="background-color:#cfc;"| Government
| *
|-
! [[2006 Catalan regional election|2006]]
| 282,693
| 9.5%
| +2.2
| style="text-align:center;"| {{Composition bar compact|2|135|hex={{party color|United and Alternative Left}}|color=#000|text-shadow=no}}
| [[File:Green Arrow Up Darker.svg|10px]]1
| style="background-color:#cfc;"| Government
| *
|-
! [[2010 Catalan regional election|2010]]
| 230,824
| 7.4%
| –2.1
| style="text-align:center;"| {{Composition bar compact|2|135|hex={{party color|United and Alternative Left}}|color=#000|text-shadow=no}}
| [[File:Arrow Blue Right 001.svg|10px]]0
| style="background-color:#fcc;"| Opposition
| *
|-
! [[2012 Catalan regional election|2012]]
| 359,705
| 9.9%
| +2.5
| style="text-align:center;"| {{Composition bar compact|3|135|hex={{party color|United and Alternative Left}}|color=#000|text-shadow=no}}
| [[File:Green Arrow Up Darker.svg|10px]]1
| style="background-color:#fcc;"| Opposition
| *
|-
! [[2015 Catalan regional election|2015]]
| 367,613
| 8.9%
| –1.0
| style="text-align:center;"| {{Composition bar compact|1|135|hex={{party color|United and Alternative Left}}|color=#000|text-shadow=no}}
| [[File:Red Arrow Down.svg|10px]]2
| style="background-color:#fcc;"| Opposition
| **
|-
! [[2017 Catalan regional election|2017]]
| 326,360
| 7.5%
| –1.4
| style="text-align:center;"| {{Composition bar compact|1|135|hex={{party color|United and Alternative Left}}|color=#000|text-shadow=no}}
| [[File:Arrow Blue Right 001.svg|10px]]0
| style="background-color:#fcc;"| Opposition
| ***
|}

* * Within [[Initiative for Catalonia Greens–United and Alternative Left]].
* ** Within [[Catalunya Sí que es Pot]].
* *** Within [[Catalunya en Comú–Podem]].