Much larger middle class present in rural areas due to counter-urbanisation, which occurs because of increased car ownership, cheaper houses and online work.
In LICs and MICs the structure of the population changes due to rural to urban migration:
loss of young economically active
better educated people leave as they have more opportunities, but they are needed by the economy
some countries have mostly male migrants e.g. India, leaving women struggling to find marriage partners
other countries have more female migrants e.g. Latin America
In LICs and MICs, the population can also increase: