Process for the conversion of oxygenates to olefins comprising (i) providing a gas stream comprising one or more oxygenates; and (ii) contacting the gas stream with a catalyst; wherein the catalyst comprises a zeolitic material having an MFI -type framework structure comprising YO 2 and X 2 O 3, wherein Y is a tetravalent element, and X is a trivalent element, said zeolitic material displaying a water uptake of 4.5 wt.-% or less and being obtainable and/or obtained according to a method comprising preparing a mixture comprising one or more sources for YO 2, one or more sources for X 2 O 3, and one or more solvents; and crystallizing the mixture obtained in step to obtain a zeolitic material having an MFI -type framework structure; wherein the mixture crystallized in step contains 3 wt.-% or less of sodium based on 100 wt.-% of YO 2, wherein after step the method further comprises adjusting the pH of the product mixture obtained in to a pH in the range of 5 to 9; and isolating the zeolitic material from the product mixture obtained in; and washing the zeolitic material; and drying and/or calcining the zeolitic material; and subjecting the zeolitic material to a hydrothermal treatment under autogeneous pressure, wherein the hydrothermal treatment in step is conducted under heating at a temperature ranging from 120 to 220°C; wherein the hydrothermal treatment in step is conducted for a duration ranging from 2 to 72 h; wherein is prior to, wherein the water uptake is measured according to the method disclosed in the example "water absorption/desorption measurements"; wherein 95% by weight or more of the primary particles of the zeolitic material have a diameter of from 5 to 800 nm determined by SEM; wherein 90% or more of the primary particles of the zeolitic material are spherical determined by SEM; wherein the BET surface area of the zeolitic material determined according to DIN 66131 ranges from 200 to 900 m 2 /g; wherein the zeolitic material displays a YO 2: X 2 O 3 atomic ratio of from 90 to 300; wherein Y comprises Si, wherein X comprises Al. (i) providing a gas stream comprising one or more oxygenates; and (ii) contacting the gas stream with a catalyst; wherein the catalyst comprises a zeolitic material having an MFI -type framework structure comprising YO 2 and X 2 O 3, wherein Y is a tetravalent element, and X is a trivalent element, said zeolitic material displaying a water uptake of 4.5 wt.-% or less and being obtainable and/or obtained according to a method comprising preparing a mixture comprising one or more sources for YO 2, one or more sources for X 2 O 3, and one or more solvents; and crystallizing the mixture obtained in step to obtain a zeolitic material having an MFI -type framework structure; preparing a mixture comprising one or more sources for YO 2, one or more sources for X 2 O 3, and one or more solvents; and crystallizing the mixture obtained in step to obtain a zeolitic material having an MFI -type framework structure; wherein the mixture crystallized in step contains 3 wt.-% or less of sodium based on 100 wt.-% of YO 2, wherein after step the method further comprises adjusting the pH of the product mixture obtained in to a pH in the range of 5 to 9; and isolating the zeolitic material from the product mixture obtained in; and washing the zeolitic material; and drying and/or calcining the zeolitic material; and subjecting the zeolitic material to a hydrothermal treatment under autogeneous pressure, wherein the hydrothermal treatment in step is conducted under heating at a temperature ranging from 120 to 220°C; wherein the hydrothermal treatment in step is conducted for a duration ranging from 2 to 72 h; isolating the zeolitic material from the product mixture obtained in; and washing the zeolitic material; and drying and/or calcining the zeolitic material; and subjecting the zeolitic material to a hydrothermal treatment under autogeneous pressure, wherein the hydrothermal treatment in step is conducted under heating at a temperature ranging from 120 to 220°C; wherein the hydrothermal treatment in step is conducted for a duration ranging from 2 to 72 h; wherein is prior to, wherein the water uptake is measured according to the method disclosed in the example "water absorption/desorption measurements"; wherein 95% by weight or more of the primary particles of the zeolitic material have a diameter of from 5 to 800 nm determined by SEM; wherein 90% or more of the primary particles of the zeolitic material are spherical determined by SEM; wherein the BET surface area of the zeolitic material determined according to DIN 66131 ranges from 200 to 900 m 2 /g; wherein the zeolitic material displays a YO 2: X 2 O 3 atomic ratio of from 90 to 300; wherein Y comprises Si, wherein X comprises Al.