Parliamentary elections were held in Norway on 11 and 12 September 1977. The Labour Party remained the largest party in the Storting, winning 76 of the 155 seats.
Contesting parties
{| class="wikitable"
|-
! rowspan=2 colspan=3 width=225px | Name
! rowspan=2 | Ideology
! rowspan=2 | Position
! rowspan=2 | Leader
! colspan=2 | 1973 result
|-
! Votes (%)
! Seats
|-
! style="background:; width:2px;"|
| align=center | Ap
| Labour Party<br /><small>Arbeiderpartiet</small>
| Social democracy
| Centre-left
| Reiulf Steen
| align=center | 35.2%
|
|-
! style="background:; width:2px;"|
| align=center | H
| Conservative Party<br /><small>Høyre</small>
| Conservatism
| Centre-right
|Erling Norvik
| align=center | 17.2%
|
|-
! style="background:; width:2px;" |
| align="center" | KrF
| Christian Democratic Party<br /><small>Kristelig Folkeparti</small>
| Christian democracy
| Centre to centre-right
| Lars Korvald
| align="center" | 11.8%
|
|-
! style="background:; width:2px;" |
| align="center" | SV
| Socialist Left Party<br /><small>Sosialistisk Venstreparti</small>
| Democratic socialism
| Left-wing
| Berge Furre
| align="center" | 11.2%
|
|-
! style="background:; width:2px;" |
| align="center" | Sp
| Centre Party<br /><small>Senterpartiet</small>
| Agrarianism
| Centre
| Gunnar Stålsett
| align="center" | 6.8%
|
|-
! style="background:; width:2px;" |
| align="center" | FrP
| Progress Party<br /><small>Fremskrittspartiet</small>
| Classical liberalism<br />Right-libertarianism
| Right-wing
| Arve Lønnum
| align="center" | 5.0%
|
|-
! style="background:; width:2px;" |
| align="center" | DLF
| New People's Party<br /><small>Det Liberale Folkepartiet</small>
| Social liberalism<br />Pro-Europeanism
| Centre
|Magne Lerheim
| align="center" | 3.4%
|
|-
! style="background:; width:2px;" |
| align="center" | V
| Liberal Party<br /><small>Venstre</small>
| Social liberalism
| Centre
|Hans Hammond Rossbach
| align="center" | 2.3%
|
|}
Campaign
Slogans
{| class="wikitable" style="font-size:97%; text-align:left"
! colspan="2" style="text-align:left;" | Party
! Original slogan
! English translation
|-
| style="background:"|
| Labour Party
|"Vekst og vern - demokrati og likestilling"
|"Growth and protection - democracy and equality"
|-
| style="background:"|
| Conservative Party
|
|
|-
| style="background:" |
| Centre Party
|
|
|-
| style="background:" |
|Christian Democratic Party
|
|
|-
| style="background:"|
| Liberal Party
|
|
|-
| style="background:" |
| Communist Party of Norway
|
|
|-
| colspan="4" | Sources:
|}
Debates
{| class="wikitable" style="font-size:85%; line-height:15px; text-align:center;"
! colspan="13" | 1977 Norwegian general election debates
|-
! rowspan="3" | Date
! rowspan="3" | Organisers
! colspan="10" | Present Invitee Non-invitee
|-
! scope="col" style="width:5em;" |Ap
! scope="col" style="width:5em;" |H
! scope="col" style="width:5em;" |KrF
! scope="col" style="width:5em;" |Sv
! scope="col" style="width:5em;" |Sp
! scope="col" style="width:5em;" |Frp
! scope="col" style="width:5em;" |Dlp
! scope="col" style="width:5em;" |V
! scope="col" style="width:5em;" |NKP
! rowspan="2" |Refs
|-
! style="background:" |
! style="background:" |
! style="background:" |
! style="background:" |
! style="background:" |
! style="background:" |
! style="background:" |
! style="background:" |
! style="background:" |
|-
|
| NRK
| style="background:#90FF90" |P<br />Reiulf Steen, Odvar Nordli
| style="background:#90FF90" |P<br />Erling Norvik
| style="background:#90FF90" |P<br />Lars Korvald
| style="background:#90FF90" |P<br />Berge Furre
| style="background:#90FF90" |P<br />Gunnar Stålsett
| style="background:#90FF90" |P<br />Arve Lønnum
| style="background:#90FF90" |P<br />Magne Lerheim
| style="background:#90FF90" |P<br />Hans Hammond Rossbach
| style="background:#90FF90" |P<br />Martin Gunnar Knutsen
|
|-
|
| NRK
| style="background:#90FF90" |P<br />Reiulf Steen, Odvar Nordli
| style="background:#90FF90" |P<br />Kåre Willoch
| style="background:#90FF90" |P<br />Lars Korvald
| style="background:#90FF90" |P<br />Reidar T. Larsen
| style="background:#90FF90" |P<br />Gunnar Stålsett
| style="background:#90FF90" |P<br />Arve Lønnum
| style="background:#90FF90" |P<br />Magne Lerheim
| style="background:#90FF90" |P<br />Hans Hammond Rossbach
| style="background:#90FF90" |P<br />Martin Gunnar Knutsen
|
|}
Results
Voter demographics
{| class="wikitable" style="text-align:right; font-size:95%;"
|-
! rowspan="3"| Cohort
! colspan="8" | Percentage of cohort voting for
|-
! scope="col" style="width:5em;"| Ap
! scope="col" style="width:5em;" | H
! scope="col" style="width:5em;" | KrF
! scope="col" style="width:5em;" | Sp
! scope="col" style="width:5em;" | Sv
! scope="col" style="width:5em;" | V
! scope="col" style="width:5em;" | FrP
! scope="col" style="width:5em;" | Others
|-
! style="background:" |
! style="background:" |
! style="background:" |
! style="background:" |
! style="background:" |
! style="background:" |
! style="background:" |
! style="background:" |
|-
|align=left| Total vote || style="background:#ffccd4;| 42.5% || 24.5%
| 9.7%|| 8.0%|| 4.2%|| 2.4%|| 1.88%||
|-
! colspan="9" | Gender
|-
|align=left| Females || style="background:#ffccd4;| 42.4% || 22.5%
| 12.8%|| 7.3% || 3.8%|| 2.7%|| 1.6%||
|-
|align=left| Males || style="background:#ffccd4;| 42.2% || 26.6%
| 6.8%|| 8.7% || 4.5%|| 2%|| 2%||
|-
! colspan="9" | Age
|-
|align=left| 18–30 years old || style="background:#ffccd4;| 31.9% || 25.5%
| 5.7%|| 9.9% || 10.3% || 3.5%|| 3.9%||
|-
|align=left| 30-59 years old || style="background:#ffccd4;| 45.4% || 24.6%
| 8.4%|| 6.9% || 2.9%|| 2.2%|| 1.8%||
|-
|align=left| 60 years old and older || style="background:#ffccd4;| 43.3% || 23%
| 15.8%|| 9% || 2.1%|| 2.1%|| 0.6%||
|-
! colspan="9" | Work
|-
|align=left| low income || style="background:#ffccd4;| 38.4% || 18.1%
| 14.2%|| 13.3% || 6.9%|| 2.7%|| 0.6%||
|-
|align=left| Average income || style="background:#ffccd4;| 50% || 15.5%
| 9%|| 8.3% || 4.8%|| 2.7%|| 2.7%||
|-
|align=left| High income || 36.2% || style="background:#cce4ff;| 37%
| 7%|| 4.8% || 2.3%|| 1.9%|| 2.1%||
|-
! colspan="9" |Education
|-
|align=left| Primary school || style="background:#ffccd4;| 60% || 11.9%
| 11.3%|| 6.8% || 2.8%|| 1.2%|| 1.8%||
|-
|align=left| High school || style="background:#ffccd4;| 38.2% || 28.2%
| 9.1%|| 9.6% || 3.8%|| 3%|| 1.9%||
|-
|align=left| University/college || 15.2% || style="background:#cce4ff;| 40.2%
| 8.9%|| 5.4% || 8.9%|| 3.1%|| 2.2%||
|-
! colspan="11! |
|-
|align=left colspan="9" | Source: Norwegian Institute for Social Research
|}
Seat distribution
{| class="wikitable" style="text-align:center; font-size: 0.9em;"
! rowspan="3" |Constituency
! rowspan="3" |Total<br>seats
! colspan="6" |Seats won
|-
! class="unsortable" style="width:50px;" |Ap
! class="unsortable" style="width:50px;" |H
! class="unsortable" style="width:50px;" |KrF
! class="unsortable" style="width:50px;" |Sp
! class="unsortable" style="width:50px;" |SV
! class="unsortable" style="width:50px;" |V
|-
! style="background:;" |
! style="background:;" |
! style="background:;" |
! style="background:;" |
! style="background:;" |
! style="background:;" |
|-
! style="text-align: left;" |Akershus
!10
|4
|4
|1
|1
|
|
|-
! style="text-align: left;" |Aust-Agder
!4
|2
|1
|1
|
|
|
|-
! style="text-align: left;" |Buskerud
!7
|4
|2
|1
|
|
|
|-
! style="text-align: left;" |Finnmark
!4
|3
|1
|
|
|
|
|-
! style="text-align: left;" |Hedmark
!8
|6
|1
|
|1
|
|
|-
! style="text-align: left;" |Hordaland
!15
|6
|5
|3
|1
|
|
|-
! style="text-align: left;" |Møre og Romsdal
!10
|3
|2
|3
|1
|
|1
|-
! style="text-align: left;" |Nord-Trøndelag
!6
|3
|1
|
|2
|
|
|-
! style="text-align: left;" |Nordland
!12
|6
|2
|2
|1
|1
|
|-
! style="text-align: left;" |Oppland
!7
|4
|1
|1
|1
|
|
|-
! style="text-align: left;" |Oslo
!15
|7
|6
|1
|
|1
|
|-
! style="text-align: left;" |Østfold
!8
|5
|2
|1
|
|
|
|-
! style="text-align: left;" |Rogaland
!10
|4
|3
|2
|1
|
|
|-
! style="text-align: left;" |Sogn og Fjordane
!5
|2
|1
|1
|1
|
|
|-
! style="text-align: left;" |Sør-Trøndelag
!10
|5
|2
|1
|1
|
|1
|-
! style="text-align: left;" |Telemark
!6
|4
|1
|1
|
|
|
|-
! style="text-align: left;" |Troms
!6
|3
|2
|1
|
|
|
|-
! style="text-align: left;" |Vest-Agder
!5
|2
|1
|1
|1
|
|
|-
! style="text-align: left;" |Vestfold
!7
|3
|3
|1
|
|
|
|-
! style="text-align: left;" |Total
!155
!76
!41
!22
!12
!2
!2
|-
|align=left colspan="8" |Source: Norges Offisielle Statistikk
|}