It will become increasingly important for farmers to obtain a greater proportion of their income from the market.

Poor families are spending a far smaller proportion of their income on food today than they did a generation ago, she says.

These trends imply that, as a country, we will need to be spending a greater proportion of our national income on care and support.

Heavy drinkers will just see a larger proportion of their income going on drink.

Thus the proportion of the person's income that is paid as tax has increased.

A proportion of his income from the game is donated to cancer research charities.

Even for the top 10% spends much the same proportion, at 23.58%, of its total income on these two items taken together.

Therefore, a larger proportion of their income goes to paying the tax.

Since the poor spend a greater proportion of their income on food, a fat tax might be regressive.

That is, assisting people who are spending a high proportion of their income on fuel costs.