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National Insurance Contributions

Volume 972: debated on Tuesday 30 October 1979

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asked the Secretary of State for Social Services if he will list the national insurance contributions for women workers earning at (a) the lowest decile, (b) median, (c) highest decile and (d) three times median earnings for each year since 1970; and if he will express these data as a percentage of earnings.

FEMALES
Gross earnings (all females)National insurance contribution at non-contracted-out rateNational insurance contribution at non-contracted-out rate as a percentage of gross earnings
££
1970—
Lowest Decile9·700·798·1
Median14·601·037·1
Highest Decile24·801·395·6
3 × median43·801·573·6
1971—
Lowest Decile11·000·867·8
Median16·601·126·7
Highest Decile27·501·495·4
3 × median49·801·573·2
1972—
Lowest Decile12·200·907·4
Median18·601·206·5
Highest Decile31·101·765·7
3 × median55·802·224·0
1973—
Lowest Decile14·101·007·1
Median20·901·306·2
Highest Decile34·401·965·7
3 × median62·702·604·1
1974—
Lowest Decile16·801·106·5
Median24·701·486·0
Highest Decile39·402·235·7
3 × median74·102·964·0
1975—
Lowest Decile23·001·285·6
Median34·101·885·5
3 × median102·303·793·7
1976—
Lowest Decile28·001·625·8
Median42·402·435·7
Highest Decile70·304·045·7
3 × median127·205·464·3
1977—
Lowest Decile32·201·855·7
Median46·902·695·7
Highest Decile76·104·385·8
3 × median140·706·044·3
1978—
Lowest Decile35·802·326·5
Median51·803·366·5
Highest Decile83·605·446·5
3 × median155·407·805·0
1979—
Lowest Decile40·602·656·5
Median58·403·796·5
Highest Decile92·606·036·5
3 × median175·208·775·0
Notes:
1. Estimates of average gross weekly earnings are based on the new earnings survey conducted annually by the Department of Employment. They relate to full-time adult employees, aged 18 and over, whose pay for the survey pay period in April of each year was not affected by absence.
2. The contributions shown are those payable by an adult employed female paying class 1 contributions at the standard, not contracted-out rate. Contributions shown as payable prior to 1975 include graduated contributions at the not contracted-out rate.

asked the Secretary of State for Social Services what would be the revenue gained by raising the ceiling on national insurance contributions (a) to equal that of the threshold for the higher rate of income tax, (b) for each £2,000 above the present ceiling and (c) abolishing the ceiling.

The increases in national insurance contributions—including the national insurance surcharge—would be of the order of (a) £580 million, (b) £420 million, £580 million and £640 million

MALES
Gross earnings (all males)National insurance contribution at non-contracted-out rateNational insurance contribution at non-contracted-out rate as a percentage of gross earnings
££
1970—
Lowest Decile17·701·307·3
Median27·001·626·0
Highest Decile43·401·703·9
3 × median81·001·702·1
1971—
Lowest Decile19·701·366·9
Median29·801·685·6
Highest Decile43·001·703·5
3 × median89·401·701·9
1972—
Lowest Decile21·901·466·7
Median33·401·985·9
Highest Decile53·702·354·4
3 × median100·202·352·3
1973—
Lowest Decile25·201·666·6
Median38·402·285·9
Highest Decile60·902·734·5
3 × median115·202·732·4
1974—
Lowest Decile29·301·866·3
Median43·802·565·8
Highest Decile68·803·094·5
3 × median131·403·092·4
1975—
Lowest Decile37·502·085·5
Median55·903·075·5
Highest Decile88·203·794·3
3 × median167·703·792·3
1976—
Lowest Decile44·502·575·8
Median65·803·785·7
Highest Decile104·905·465·2
3 × median197·405·462·8
1977—
Lowest Decile49·302·835·7
Median72·304·155·7
Highest Decile114·006·045·3
3 × median216·906·042·8
1978—
Lowest Decile54·803·566·5
Median82·005·356·5
Highest Decile129·507·806·0
3 × median246·007·803·2

for the first three £2,000 steps and ( c) £730 million.

asked the Secretary of State for Social Services if he will list the national insurance contributions for male workers earning at (a) the current decile, (b) median, (c) highest decile and (d) three times median earnings for each year since 1970; and if he will express these data as a percentage of earnings.

Gross earnings (all males)

National insurance contribution at non-contracted-out rate

National insurance contribution at non-contracted-out rate as a percentage of gross earnings

£

£

1979—
Lowest Decile61·904·016·5
Median93·906·096·5
Highest Decile147·308·776·0
3 × median281·708·773·1

Notes:

1. Estimates of average gross weekly earnings are based on the new earnings survey conducted annually by the Department of Employment. They relate to full-time adult employees, aged 21 and over, whose pay for the survey pay period in April of each year was not affected by absence.
2. The contributions shown are those payable by an adult employed male at the contributions at the not contracted-out rate. Contributions shown as payable prior to 1975 include graduated contributions at the not contracted-out rate.