Source: U.S. Bureau of Economic Analysis  

Release: Personal Income and Outlays  

Units:  Thousands, Not Seasonally Adjusted

Frequency:  Monthly

Population includes resident population plus armed forces overseas. The monthly estimate is the average of estimates for the first of the month and the first of the following month.
BEA Account Code: B230RC
A Guide to the National Income and Product Accounts of the United States (NIPA) - (http://www.bea.gov/national/pdf/nipaguid.pdf)

Source: Bank of England  

Release: A Millennium of Macroeconomic Data for the UK  

Units:  Thousands of Persons, Not Seasonally Adjusted

Frequency:  Annual

Population of the Great Britain and North Ireland.

Break-adjusted measure intended for users who need a series without classification or geographical breaks for use in appropriate econometric work where, for example, the series will be log-differenced or log-linearised around a trend.

This series was constructed by the Bank of England as part of the Three Centuries of Macroeconomic Data project by combining data from a number of academic and official sources. For more information, please refer to the Three Centuries spreadsheet at https://www.bankofengland.co.uk/statistics/research-datasets. Users are advised to check the underlying assumptions behind this series in the relevant worksheets of the spreadsheet. In many cases alternative assumptions might be appropriate. Users are permitted to reproduce this series in their own work as it represents Bank calculations and manipulations of underlying series that are the copyright of the Bank of England provided that underlying sources are cited appropriately. For appropriate citation please see the Three Centuries spreadsheet for guidance and a list of the underlying sources.