How do you calculate population projections?

How do you calculate population projections?

In the geometric method of projection, the formula is Pp = P1(1 + r)n where, Pp= Projected population; P1 = Population as per the recent census; r= Annual rate of increase or decrease of population; and n = Number of years. This formula is the basis of Malthus’s population projection.

Why is Auckland population growing?

Natural increase is projected to account for half of Auckland’s growth between 2018 and 2048 (medium projection), and net migration (arrivals less departures) the remainder. Historically, net migration has made a significant contribution to Auckland’s population growth.

What percentage of NZ population lives in Auckland?

33 per cent
Around one third of New Zealand’s population (33 per cent) lives in Auckland. This proportion is projected to increase to 39 per cent by 2043.

What is the population of Auckland 2021?

1.72 million
Auckland’s population is provisionally estimated as 1.72 million at 30 June 2021.

What is meant by population projection?

A population projection gives a picture of what the future size and structure of the population by sex and age might look like. It is based on knowledge of the past trends, and, for the future, on assumptions made for three components: fertility, mortality and migration.

How many Maoris live in Auckland?

At the 2018 Census there were 181,194 usual residents in Tāmaki Makaurau who identified as Māori (11.5% of Auckland’s population). This is an increase of 38,430 people, or 26.9%, since the 2013 Census. The Māori population has grown more rapidly than the wider Auckland population.

How much has NZ population increased?

During the past decade, the population rose from the 2011 total of 4.38m, with the fastest annual growth rate during those 10 years being 2.27 per cent in the year to June 2016, while the slowest growth rate between 2014 and 2020 was 1.6 per cent.

What is the population of NZ in 2021?

The current population of New Zealand is 4,876,689 as of Tuesday, November 23, 2021, based on Worldometer elaboration of the latest United Nations data. New Zealand 2020 population is estimated at 4,822,233 people at mid year according to UN data.

Is Auckland bigger than London?

Well according to the table above, the Auckland urban area was 531 square kilometres in size, making it about a third the size of London. By size, Auckland is actually the 181st largest city in the world.

What is projection in statistics?

A projection simply indicates a future value for the population if the set of underlying assumptions occur. Forecasts speculate future values for the population with a certain level of confidence, based on current and past values as an expectation (prediction) of what will happen.

What’s the average population growth rate in Auckland?

The vertical line in the graph indicates zero percent of growth. The average annual population change ranged from 1.55 percent growth in Auckland using the high projection, to 0.8 percent decline in the West Coast region using the low projection.

When did Stats NZ start producing population projections?

Stats NZ has produced population projections since the 1950s. As with other statistics produced by Stats NZ, there are advantages of having the independence and integrity of a national statistical organisation producing population projections.

What was the population of Auckland in 1950?

Auckland ‘s 2021 population is now estimated at 1,630,092. In 1950, the population of Auckland was 319,177. Auckland has grown by 23,528 since 2015, which represents a 1.46% annual change. These population estimates and projections come from the latest revision of the UN World Urbanization Prospects.

What was the population of Auckland in 2048?

The highest value in the graph is the projected population of Auckland in 2048 with a value of 2,624,300, using the high projections. The 2048 value using the low projections is 1,993,400, and 2,302,900 using the medium projections.