OECD Sprawl 2015 (1)
Transcript of OECD Sprawl 2015 (1)
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OECD Urban Policy Reviews: Mexico 2015. Transforming Urban Policy and Housing Finance.
DOI:10.1787/9789264227293-en
66- 1. CITCES, HOUS NG AND PENSIONS IN MEXICO:
AN
OPPORTUN
ITY TO BOLSTER
GROWfH
AND WELL-BEING
Suboptimal, costly urban developmentpatterns
Urban sprawl
Cities
in
many O
ECD
countries are sprawling - t
hat
is, the growth
in
the built-up area
has outpaced the population growth, occurring at ever greater distances from the centre
city and in increasingly dispersed (rather t
han
clustered) patterns. Figure 1.24 classifies
urban development trends across OECD countries between 200] and 2011 into
four categories: i} increasingly single-hub (monocentric) urban areas with suburban
dispersion;
ü
increasingly multi-hub (polycentric) urban areas;
iü
increasingly compact
urb
an
areas; and iv increasi
ng
ly sprawled
ur
ban areas. The latter two development
patterns are the
most
dominant. 1n severa European countries, including Austria,
Belgium, Denmark, Germany, the
Ne
therlands, Norway, Sweden and the
United Kingdom, the trend since 200 1
has
b
ee
n towards more compact cities: the distance
to the city centre thus decreased as the concentration
of
population incr,eased, indicating a
den
ser
built structure. Increasi
ng
ly sprawled cities represent the second most common
development
pa
ttern across the OECD; Mexico belongs to this category. In the case
of
Mex
i
co
, urban development occurred
at
increasing distances from t
he
cent
re city (x-axis)
and, albeit to a lesser extent, was increasingly deconcentrated (y-axis) - or in other words,
urban development was increasingly dispersed, rather than clustered, within urban areas.
Figure 1.
24
. Ur
ba
n development patterns ac ross OECD countries, 2001-11
lncreasingly single·hub (monocentric)
urban areas
with
suburban dispersi
on
0.05
0.04
0.03
0.02
Korea
~ al Á
u
xembourg
Austria
Germany .feelgiu
Sweden
•
Norway
•
N e t h e r t a n
ca
rÍda
Japan,
Estonia
•
·0.01
.Q02
Poland
•
lnCleasingty sprawled
urbanareas
Czech Republi
c_
_
r e l n d
p i n
France
•
ex
o
a n d SWi rla
rd
~ i ~ ~ ~ ~ ~ ~ ~ ~
• Slovenia
Chile
•
Greece
•
l ncreasingly compact urban areas
-0.03
lncreasíngly multi·hub
(potyc
en1ric
) urban areas
-0.04 -0.03 -0.02 .0.01 o 0.01 0.02 0.03 0.04
O.OS 0.06
Change in population decentralisation. 2001·11 (aver
age
distance rom he
ma
in centre weighted
by
population,
AOC
iodex)
0.07
Notes:
The
vertical axis measures the average change in the degree of spatial de-concentration of population
withiu functional urban areas. Spatial de-concentration is measured through an enn·opy index where lúgher
valnes s
ugg
est a Jow degree
of
clustering (higher dispersiou) of people in space. On
th
e horiz
on
tal axis, the
ADC index measures the extent to which population is located far from the main urban centre. Higher values
indicate
Jb.igher
distances, 011 average, from the centre (lúgher decentralisation). Cou
ntry
values are obtailled as
averages of values for functional urban areas. See source for details.
Sourc
e Veneri, P. (forthcoming), "Urban spatial stmcnire in OECD cities. Is urban population decentralising
or clusteriug?
",
OECD Regional Developm ent Working Papers, OECD Publishiug, Paris, fo1thcoming.
OECD URDAN
PO
LICY
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ECD
2015
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l. CITIES, HOUSING AND PENS ONS IN MEXJCO: AN OPPORTIJNITY TO BOLSTERGROWTH AND WELlrBEING -
67
While urban sprawl is
ev
ide
nt
on a national scale for Mexico. different patterns
emerge across the country's 30 largest metropolitan zones. In almost half of the metro
zones, population growth outpaced
the
growth
of
the urban area - th
at
is, overall density
actually increased in these areas (Figure 1.25) Metropolitan zones that experienced
re latively large urban expansion before 2000 (e.g. Valle de México) have experienced a
period of densification since.
Figure 1.25. Urban
spraw
l in the largest Mexican metropolitan zones, 2000-10
Urban sprawl index across metropolitan zones with at least 500 000 inhabitants
60 40
-
20 o 20 40 60 80 100
1
20
1
40
u rez
Quereta o
o
león
E
Guadalajara
o
La Laguna
o
Valle de Mexlco
o
Monterrey
o
Tijuana
o
o
San
Luis Potosi
Puebl
a T
axcala
To
luca
cancun
Chihuahua
Acapulco
Ve
raCfl.Jz
Pachuca
'
Mex
ica
li
Celaya
Morelia
Merida
o
Aguascalientes
o
Oaxaca
o
Tampico
o
o
C
uer
nav
aca
'
Reynosa-R
io
Bravo
Villahermosa
Xalapa
Poza Rica
Sa
lt
llo
Tuxtla Gutierrez
Note
A p
os
itive sprawl index indicates the occurrence of urban sprawl; a negative va lue indicat
es
higher
population growth than urban expansion and thus densification; and a value of zero indicates that population
and the urban area grew
at
the same rate.
Source
Based on data from INEGI, Population Census 2000 and
20
1
.
Yet the urban sprawl index only tells one side of the story. While the density of the
overall metropolitan zone may have increased, the location and intensity of densification
(or de-densification) within the metro zone varies. Figure 1.26 dispfays the change in
urban population density within metropolitan zones between 2000 and 2010 based on
distance to the city centre. ln most cases, the central area located within 2.5 kilometres
from the city centre experienced a fall in population density during this period; this drop,
likely due to population loss and shrinking household size as one moves further from the
city centre (INEGI, 2012b), was countered by
an
often much larger increase in population
density in areas located more than 1O ki lometres from the city centre. Areas located
farther away from the centre are more likely to be home to new housing developments.
Thus, higher population densities
on
the outskirts and lower population densities in the
cen
tr
e can also be explained by people moving from the centre into the outskirts.
Figure 1.27 shows this development for the case of Puebla-Tlaxcala. While the overall
urban sprawl index indicates a densification of this metropolitan zone, the population
changes by distance to the centre revea that this densification occurred in areas located
more than 5 kilometres away from the centre, whereas population densities fe ll within
2.5 kilometres of the centre.
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l . C TIES, HOUSfNG AND PENS ONS IN MEXICO: N OPPORTUNITY TO BOLSTER GROWTH ANO WELL-BEING
Figure 1.26. Cbange in population density witb respect to distance to tbe city cen
Less than 2 .5 km
-3
0
5
0
15
30
o
E
o
o
8
§
§
i
i
e¡
8
o
Valle de Mexico
Guadalajara
Monte
rr
ey
Puebla-Tlaxcala
Toluca
Tijuana
León
Juarez
La Laguna
Que retaro
San
Lu
is Potosi
Merida
Mex icali
Aguascalientes
Cuernavaca
Acap
u
lco
Tampico
Chihuahua
Morelia
Sa llillo
Verac
ruz
Villahermosa
8 Reynosa-Rio Bravo
'
Tuxtla Gutierrez
Cancun
Xalapa
Oaxaca
Ce aya
Poza Rica
Pachuca
Ave
rage
00
-
Va lle de Mexico
Guadal
aja
ra
Monterrey
Puebla-Tlaxcala
Toluca
Tijuana
Leó
n
Juarez
La
Laguna
Que eta o
San Lu is Potosi
Merida
Mexicali
Aguascalientes
Cuernavaca
Ac
ap
ulc
o
Tampi
co
Chihuahua
More lia
Salt
illo
Veracruz
Villahermosa
Reynosa-Rio Bravo
Tuxtla Gut ierrez
Cancun
Xalapa
Oaxaca
Ce laya
Poza Rica
Pachuca
Ave
r
age
2.5
-
5km
0
Source
Based on data from INEGI, Popu lation Census 2000 and 2010.
100
-100
Va
lle
de Mex
ico
Guadal
ajara
Monter
rey
Puebla-Tlaxcala
Toluca
Tijuana
León
Juarez
La Laguna
Que eta o
San Luis Potosi
Me rida
Mexicali
Aguascalientes
Cuernavaca
Acapu
l
co
Tampico
Chihuahua
Morelia
Saltillo
Veracruz
Villahe rmosa
Reyn
osa
-Rio Bravo
Tuxtla Gutier
rez
Cancun
Xa
l
apa
Oaxaca
Celaya
Poza R ica
Pachuca
Average
5-
10 km
0
100
200
R
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l CITIES, HOUS NG
AND
PENSIONS IN
MEX
JCO:
AN
OPPORTIJNITY TO B
OLS
TER
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Figure 1.
27. Population density in Puebla-Tlaxcala, 2000 and 2010
Population
per
square km
c Less than 1 000 - 1 000-2 500 - 2 500 - 5 000 - 5
000-
100 00 - Morethan 100 00
u rce
Based on INEGI Population Census 2000 and 2010.
There are, however, a few exceptions, in which metropolitan zones experienced a
densification regardless of the distance to the centre. Such is the case for Xalapa,
Poza Rica, Toluca and Tuxtla Gutierrez. In Xalapa and Tuxtla-Gutierrez (Figure 1.28),
for instance, the urban footprint remained fairly unchanged since
2
and thus the
process of densification appears to have been caused by an increase in population in that
area. comparatively low share of unemployment and a moderate share of informal
employment may have further attract·ed individuals to this metropolitan zone. Xalapa and
Tuxtla Gutierrez also have a relatively high share
of
university graduates
31
%
and
26%
respectively). Other areas that are facing a less attractive environment (such as Juárez,
which has higher unemployment rates and also higher rates
of
insecurity; Figure 1.41),
experienced a loss in population density, regardless
of
the distance to
the
centre.
In
Juárez, for instance, the overall loss in population density is captured
by
a positive urban
sprawl index.
Urban sprawl in
Mexico
was fostered by multiple causes, including the expansion
of
both informal and formal settlements, as well as the location and type
of
housing
development. One
cou
ld posit that, as access to subsidised housing loans is conditional
on
formal employment, sprawling metro zones with a large share
of
informal employment
are more likely to sprawl due to informal settlements; by contrast, in areas with a low
share of informal employment, urban sprawl is more likely to be related to the
development
of
fonnal settlements for low-income groups (such as those financed by
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l
CITIES, HOU
SI
NG AND PENS ONS IN MEXICO: AN OPPORTUN ITY TO BOLSTER GROWfH AND W ELL-BEING
INFONAVIT). Distinguishing between the different roots of sprawl is critica
to
determine the most appropriate policy responses, which will be discussed further in
Chapters 2 and 3.
Figure
1 28
. Population density in Tuxtla Gutierrez,
2000 and 2010
2000 2010
2
Population
per
square km
D
Less than 500 500 2 500 2 500 5 5 10 More than 1
Source:
Based on INEGI Po
pulat
ion Census
2000
and 20 1
O.
Both
the location and type
of
housing
ha
ve contributed to urban sprawl.
In
tenns of
formal housing development, many homes have been built on the periphery
of
Mexican
citie
s
which combines both the ease and the profitability for developers to meet the
housing needs of low-income households_ According to data in the National Housing
Registry Registro Único de Vivienda, RUV),
5
most housing constructed after
2005
is
located on the periphery or on the outskirts of metro zones (Figure
1.29).
Only a small
share of housing constructed since
2005
is located in the centre of the metropolitan zones.
Although not ali housing constructed after
2005
is captured in this registry, the findings
still provide interesting insights as to the trend of the location
of
housing.
A
hou
sing sup
pl
y dominated
y
individual houses and homeowners
Urban sprawl and the de-densification
of
urban areas are also fostered by the
predominant type
of
housing in Mexico: the prevalence
of
individual homes. According
to the
2010
Census, about
90% of
Mexico's housing stock is comprised
of
individual
homes casa independiente) (INEGI,
2013).
Although the share differs slightly according
to the size of the urban area, even in the largest urban area with over
100 000
inhabitants,
individual houses make up the vast majority
of
homes (84%). This share is substantially
20k
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l. CITIES, HOUS NG AND PENSIONS IN MEXJCO: AN OPPORTIJNITY TO BOLSTER GROWTH AND WELLrBEING -
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higher than is found in many
ot
h
er
OECD countries; for instance, detached/individua l
homes make up roughly 64%
of
the total housing stock
in
the United States (American
Housing Survey, 2013), 62% in Canada (Statistics Canada, 20
11
), 62% in Germany
(Statistisches Bundesamt, 2013) or 79%
in
Argentina (íNDEC, 2010). However, the share
of detached homes in Mexico differs slightly by the size of locality: in highly urbanised
areas with more than 100 000 inhabitants, the share
of detached homes is 84%, slightly
lower than the national average but still significantly higher than the share in many other
countries.
Figure 1.29. Where have most form l homes been built since 2005?
Location
ofhousing
completed
or
remodelled; aggregated years 2006- l3 by size of metro zone
• Peripheiy
• Outskirts J
ntermedate
e Centre " Sh..-e housing <
60
000 USO
100%1TT1"'ft:r
c::n:ln=n::n::nm::1l=11"rc::n:'1l"'fRCroo-i::n=n:::n:oRt:rci:::rMln...ro?"tt:n"'ft:rRT""n::l" ''l"Cl1m=l-.::ri:fTTl.....,."'""rTTT"tt:lln"C1"'1T"TrT>on::rR
90%
80%
700,{,
90
500/o
400/o
300,{,
200/o
100/o
0%
¡
5 i l 2
[Jl2
E ~ · ~ ~ 8 ~
_ - u ~
~ ~ ~ · ~
~ ~ ~ ~ ~ ~ l - r ~ ~ ~ X c n ~
~ ~ F ~ c ~ ~ ~ - ~ ~ ~ ~ ~ ~ ~ ~ g ~ ~ ~ w r o r o ~ ~ ~
~ o ~ ~
~ ~ ~ O ü ~
3 m _ ~ o .
n : ~ .
º '
e :O ' U
g
~ ~
Q'.
1 000
000
or
more
500 o 0·999
999
Source
SHF Housing Statistics (Data series: Total number of prope11ies valued by year of completion of the
work or remodelling), accessed April 2014
Home ownership is by far the dominant form
of
tenure in Mexico, with 76.4%
of
housing owner-occupied (INEGI, 20 10). As elsewhere in Latin America, Mexico's renta
housing market generally remains shallow and underdeveloped relative to many OECD
countries (see OECD 2013g; 2012c). According to Mexico's National Institute of
Statistics and Geography
Instituto Nacional de Estadística Geografia e Informática,
INEGI), approximately 16% of Mexicans were formal renters in 2012.
In
2009, the most
recent year for which comparative t,enure data are available, Mexico's share of formal
renta housing (14%) was
just
behind Poland (15.4%) and Chile (17%), surpassing only
six OECD countries (lceland, Slovak Republic, Hungary, Slovenia, Greece and Spain)
(Figure 1.30). Nevertheless,
Mexico's
share ofrenta housing is underestimated
in
official
statistics, as a large share
of
the renta stock is in the informal sector. Accordingly, the
national share of rental housing was likely eloser to 23% in 2012, by adding to the share
of formal renters a portion of the 14% who reported living
in
"borrowed" housing
(INFONA VIT, 2013). lt is also important to point out that nearly ali informal settlements
- which house roughly a quarter
of
Mexican households - are considered owner-occupied
(whetheT or not they have received official titles to their homes or land through the
government's titling programmes). And, moreover, informal renting occurs widely
throughout informal settlements and is widely underreported.
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100
90
80
70
60
50
40
30
20
10
0
Figure 1.30. Tenure structure across OECD countries
Percentage of dwelling stock, 2009
• Rental
müwner
o Co-operati
v
• Other
Z Z ü X X W Z Z O W W Z
> >
W 0 I C 0 N
m
W N Z W I
I G W ü z - ü G m ü Z O Z O ü '
Note: The statistical data for Israel are supplied by
and
tu1der the responsibility
of
the relevant Israelí
authorities. The use of such data by the OECD is without prejudice to the status of the Golan Heights,
East Jemsalem and Israeli settlements in the West Bank under the terms
of
ntemational law.
Source: OECD Housing Market questionnaire, in: OECD (2012c), OECD Economic Surveys: Chile 2012
OECD Publishing, París, http://dx.doi.org/I 0.1787/eco surveys-chl-2012-en.
Despite its large share of the current housing stock, home ownership has not always
been the housing tenure preference of Mexicans: home ownership rates in Mexico City,
for instance, grew by 45% between 1950 and 1990. Mexico's general policy orientation
towa
rds home ownership is relatively consistent with trends throughout Latin America:
the average renta tenure in Mexico was just above the Latin American and roughly
comparable to the share of renter-occupied dwellings in Brazil, Chile, El Salvador,
Guatemala and Uruguay in 2007 (Bouillon, 2012; Rojas and Medellín, 2011). Consistent
with broader trends in Latín America, the share of renta housing in the overall urban
housing stock dropped dramatically between the 1950s and 2000s (Figure 1.31 ).
In
Mexico City and Guadalajara, for instance, owner-occupied dwellings accounted fo r less
than 30% of ali housing in 1950, increasing to 43% in 1970 and to around 70% by 1990;
after peaking in the 2000s (at 74% and 68%, respectively), homeownership rates fell
slightly by 2010 (Blanco et al., 2014).
Moreover, renta housing in Mexico tends to be geographically concentrated in urban
areas in
th
e centre of
th
e country. Nearly half (approximately 46%) of the renta] housing
stock is located in just five states: the Federal District, the state of Mexico, Jalisco,
Veracruz and Puebla (Peppercorn and Taffin, 2013). The size ofthe metropolitan zone is
not necessarily indicative of a large renta market: while sorne of Mexico's largest
metropolitan zones record a high
ra
te of rented
dw
ellings, surpassing 30% in the
Va
lle de
México, Guadalajara and Tijuana, others ha
ve
markedly lower rates (I 8% in Monterrey
and 18% in La Laguna) (INEGI, 201 O). In contrast, renter-occupied housing makes up
around half of the total housing stock in some large OECD metropolitan areas. The
national share of renter-occupied housing in the United States in 2011 was 35.4%, with
renta] rates in the most populous US metropolitan areas Ied by Los Angeles (50.8%) and
New
York (48.9%) (US Census Bureau, 2013). In France, renter-occupied housing
represented just
und
er half (49.3%)
in
the
Pari
s-Ile-de-France r
eg
ion in 201O e
dging
out
owner-occupied housing (47.6%) (lNSEE, 2014).
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Figure 1.31. Evo
lu
tion
ofhome
own
ers
hip in selected
Lat
in Ameri
can
cities, 1950s-2010s
Mex
.coCity - - - Guadalajara - · - Bogota
- - - - · Me
dl
ellin
- Cali
- • - Santiago
de
Chile
•
•••• •••
•
Rio
de Janeiro
- -
Sao Paulo
Buenos Aires
90%
80%
0
.
60%
-
50%
___
................
- .
. . .
40%
·
-
': ':..:. -... .
.·.-
30%
20%
10%
0%
1950 1970 1
990
2000 2010
Notes:
Data for Rio de Janeiro, Sao Paulo and Buenos Aires correspond to centre city, not the metropolitan
area.
Source: Adapted from Blanco, A.O. et al. (2014), Renta/ Housing Wanted Policy Options f or Latín America
and the aribbean
In
er-American Development Bank, available at:
www10.iadb.org/intal/intalcdi/PE/20 l4/ l 3900en.pdf. Data from Gilbert (2012); 20
Os
data for Colombia
(Bogota, Medellín, Cali) from MECOVI 2010 and for Chile (Santiago de Chile) from MECOVI 20
11
; 2010s
data for Rio de Janeiro from IPUMS, 2013.
Spatial segregation poor access to services
Low-income groups are more likely to be located on the outskirts and the periphery of
a city, a trend that is fostered by housing subsidies and lower land prices outside the
cities. Figure 1 32 displays the clustering of the average years of schooling within census
(AGEB) tracts.
6
Black coloured fields indicate that the average years of schooling is
significantly higher, b lue fields indicate that average years
of
schooling are significantly
lower than the average within the respective metropolitan zone. As more education is
closely linked with higher income, these maps indicate whether spatial segregation might
be a problem. In the metro zones mapped below, spatial clustering by educational level
occurs to varyi
ng
extent
s
Two different spatial patterns are visible: in severa
metropolitan zones, groups with lower educational attainment are clustered on the
outskirts, away from t
he
centre (e.g. Cancun, Juarez, Monterrey); in other metropolitan
zones, there is a clear divide ( e.
g
north/south, east/west) through the metropolitan zone
(e.g. Guadalajara and Merida). Moreover, in sorne metropolitan zones, spatial segregation
can appear in the form of disadvantaged areas with poorer access to basic services, such
as electricity, water and drainage.
Beyond access to basic services, the quality
of
services in a given area also ma
tt
ers In
Guadalajara and
Mo
nterrey, the average test s
eor
es per school that took part in ENLACE
7
in 2013 revea spatial clustering of school/student performance. For one, areas that are
characterised by lo·w average educational attainment also exhibit poorer performance
of
schools. Second, schools on the outskirts tend to perform worse than the ones in the
centre (Figure 1.33).
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