Monthly gold prices (USD) in London from Bundesbank.

General: 1 ounce of fine gold = 31.1034768g.

Method of calculation:

How do changing workforce demographics inform how we budget for a retirement and pension fund or budget and program evaluation?

## Levels of economic disproportion
London is a city with a rich history spanning many centuries. Over the years, different towns, previously not part of the capital, have expanded and stitched themselves together to form the metropolis we know today. The Industrial Revolution compounded this phenomenon with the introduction of faster production technology and shifting economic conditions.

Centers for Disease Control and Prevention data regarding varicella (chickenpox) virus incidence and mortality rates.

Statistics on U.S. smoking rates and tobacco taxation rates for all fifty states.

Source: Centers for Disease Control and Prevention, 2015
https://www.cdc.gov/tobacco/data_statistics/state_data/

Related Data Story: State-Level Policies Reduce Smoking Rates Nationwide

If you’re an American over the age of 25, you may remember chickenpox -- formally known as the varicella zoster virus -- as an inevitable rite of passage. As the Center for Disease Control has written: “Before the availability of varicella vaccine in the United States almost everyone had varicella.” [[source](https://www.cdc.gov/vaccines/pubs/surv-manual/chpt17-varicella.html)]

Since the [first studies were published in 1950 linking tobacco use to lung cancer](https://www.cdc.gov/nchs/nhis/tobacco/tobacco_history.htm) there has been exponential attention on the issue of smoking. As new research determines links between tobacco-use and harmful side effects such as cancer, policy and disincentives grow in strictness.